DEV Community: Jeevan Kumbhar

Certified Design Thinking for Professionals Building Innovation Skills

Jeevan Kumbhar — Wed, 09 Sep 2026 12:37:24 +0000

Innovation is often associated with big ideas, but meaningful improvement usually starts much earlier with understanding a problem properly. Teams need to know what users experience, where frustrations occur, and which opportunities are worth exploring before investing time and resources in a solution.
This is where design thinking becomes useful. A certificate in design thinking can give professionals a structured way to learn human-centered problem-solving while developing practical methods for turning observations into ideas and ideas into testable solutions.

A Practical Approach to Understanding People
Design thinking puts the user's perspective at the center of the process. Instead of relying entirely on assumptions, professionals learn to explore needs, pain points, behaviors, and expectations.
The GSDC Certified Design Thinking Professional program covers empathy tools, user personas, stakeholder maps, customer journeys, context maps, and opportunity maps.
These techniques can help professionals look at familiar business challenges from a different perspective.

From Problem Definition to Experimentation
A useful idea begins with a clearly understood problem. GSDC's curriculum covers problem statements, user perspectives, consumer pain points, ideation, storyboarding, prototyping, testing, and solution evaluation.
The program also includes:
16+ hours of learning
Two practice exams
A capstone project
AI interview practice
Expert-led self-paced learning
This combination gives learners opportunities to move beyond terminology and explore how design thinking works as a practical methodology.

Adding Structure to Creative Thinking
A design thinking certificate can complement experience in project management, product management, business analysis, software development, and other roles where solving complex problems is part of the job.
Professionals pursuing a certified design thinking credential can also use formal assessment to demonstrate their knowledge of the methodology. GSDC's current assessment contains 40 multiple-choice questions, with a 65% passing score, a 90-minute duration, and five-year certification validity.

Strengthen Your Design Thinking Expertise : https://www.gsdcouncil.org/certified-design-thinking-professional

Strengthening Workplace Safety Through ISO 45001 Implementation

Jeevan Kumbhar — Wed, 09 Sep 2026 07:10:23 +0000

Workplace safety becomes more effective when it is supported by a structured management system. For professionals working in occupational health and safety, the ability to help establish, maintain, and improve such a system can add practical value to their existing responsibilities.

The GSDC ISO 45001 Lead Implementer program is designed to build expertise in occupational health and safety management systems, risk control, and workplace compliance. It focuses on the practical side of implementing and maintaining an OH&S management system according to ISO 45001:2018 requirements and guidelines.

Turning Safety Responsibilities into a Structured System
Implementation involves several connected activities rather than one isolated task. GSDC's program addresses areas including:
Understanding the organization and OH&S management-system requirements
Planning implementation and defining policies and objectives
Identifying hazards and evaluating threats and opportunities
Establishing resources, communication, documentation, and operations
Preparing for emergencies
Monitoring and evaluating system performance
Managing incidents, deviations, and continual improvement
This approach can help professionals develop a broader view of how safety processes work together within an organization.

Practical Learning for Safety-Focused Professionals
The iso 45001 li certification pathway is relevant to executives, OHS officers and managers, safety personnel, internal OHS auditors, management-system consultants, and professionals involved in updating legal requirements. GSDC also identifies anyone interested in OH&S management as part of the program's target audience.

The learning experience includes 16+ hours of learning, two practice exams, a capstone project, an AI interview practice platform, and an ISO 45001 implementation toolkit.
For professionals researching iso 45001 certifications, an implementation-focused credential can provide a useful way to build knowledge around safety culture, emergency preparedness, cross-functional collaboration, organizational resilience, and international safety standards.

Build Capability That Supports Safer Workplaces
Strong implementation skills can help professionals contribute more effectively to workplace safety initiatives and the ongoing development of an OH&S management system.

Advance Your ISO 45001 Implementation Skills : https://www.gsdcouncil.org/certified-iso-45001-lead-auditor

Machine Learning Exam Preparation: Turning ML Knowledge Into Certification-Ready Skills

Jeevan Kumbhar — Wed, 09 Sep 2026 06:13:29 +0000

Preparing for a machine learning exam is not simply about memorizing definitions. A strong preparation plan should help you understand how machine learning concepts connect with data, algorithms, model evaluation, and real-world applications.
For professionals exploring an ML certification, the learning journey becomes more valuable when theoretical knowledge is supported by practical exposure. The GSDC Certified Machine Learning Master (CMLM) is designed around advanced machine learning, data science, and AI-driven predictive modeling, with an emphasis on applying ML techniques to real-world business problems.

Build Your Preparation Around Core ML Skills
A useful preparation strategy starts with understanding the major areas covered in the certification learning path. GSDC's program includes:
Python programming and essential data science libraries
Data wrangling, missing values, and outlier handling
Regression and classification techniques
Clustering and dimensionality reduction
Model selection and performance evaluation
Recommendation engines and association rules
Time series and reinforcement learning
Neural networks and introductory deep learning
The program also includes 16+ hours of learning, two practice exams, a capstone project, and an AI interview practice platform.

Move Beyond Memorization
Machine learning becomes easier to understand when concepts are connected to practical scenarios. Working with datasets, comparing models, understanding evaluation measures, and reviewing how algorithms are applied can make preparation more meaningful.
The GSDC program includes real-world datasets, case studies covering retail, finance, and healthcare, and introductory model deployment concepts using tools such as Jupyter Notebook, Scikit-learn, TensorFlow, Git, Flask, and Streamlit.

Certification as Evidence of Your ML Skills
An ML certification can provide a structured way to validate knowledge gained through study and practice. The GSDC Certified Machine Learning Master also includes personalized mentorship, including a dedicated session with an experienced AI/ML practitioner for project, algorithm, coding, and career guidance.

Start Your Machine Learning Journey
If you want structured preparation that combines learning resources, practical projects, exam preparation, and mentorship, the GSDC Certified Machine Learning Master can be a relevant pathway for developing and validating your machine learning skills.

Explore the Certification:
https://www.gsdcouncil.org/certified-machine-learning-master

Prompt Engineer Certificate: A Practical Credential for Modern AI Skills

Jeevan Kumbhar — Tue, 08 Sep 2026 12:52:23 +0000

Turning AI Use Into a Professional Skill
Generative AI is changing how professionals research, create, analyze, and solve problems. However, getting useful results consistently requires more than simply asking an AI tool a question. Understanding context, instructions, structure, and output requirements can make AI interactions far more effective.

A prompt engineer certificate can provide a structured way to develop and demonstrate these capabilities. GSDC’s certification focuses on designing, structuring, and optimizing prompts for advanced AI systems and large language models.

What the Learning Journey Covers
The program moves from foundational concepts into practical prompt engineering techniques. Learners explore areas such as:
Large Language Models and Generative AI fundamentals
Prompt components, role prompting, and context setting
Zero-shot, one-shot, and few-shot prompting
Prompt frameworks and reusable templates
Context engineering and workflow design
Multimodal prompting
Prompt evaluation, testing, and debugging
Prompt security and responsible AI
The curriculum also covers enterprise applications across functions including marketing, finance, HR, education, project management, software development, and business analysis.

Learning That Goes Beyond Theory
GSDC follows a “Learn by Doing” approach. The certification includes 36+ hours of self-paced video content, 100+ live monthly sessions, three 1-on-1 SME sessions, practice exams, and a capstone project.
This practical focus can be useful for professionals who want to move from casual experimentation with AI toward more structured and repeatable prompting practices.

Building a Recognizable AI Skill Set
For professionals working toward becoming a certified prompt engineer, formal learning can provide a clearer foundation for developing prompt design, optimization, evaluation, and responsible AI skills.
GSDC also provides career-oriented support through interview practice, resume building, and LinkedIn profile optimization.

Build Your Prompt Engineering Expertise
Develop practical prompting skills and explore a structured certification pathway with GSDC.

Explore the Prompt Engineering Certification : https://www.gsdcouncil.org/prompt-engineering-certification

Where Generative AI Fits Into Modern Finance

Jeevan Kumbhar — Tue, 08 Sep 2026 07:26:39 +0000

Financial work has always depended on information, accuracy, and timely decisions. Today, generative AI is creating new ways for finance and banking professionals to work with that information, from analyzing transactions to supporting reporting and risk-related activities.
The real opportunity is not simply knowing what generative AI is. It is understanding where generative AI in finance can create practical value.

From Data to Financial Decisions
Generative AI can be applied across several financial activities. GSDC's certification covers areas such as:
Financial modeling and forecasting
Fraud and anomaly detection
Credit scoring and risk assessment
Automated financial reporting
Regulatory-text interpretation
Customer service intelligence
The program also explores NLP, sentiment analysis, algorithmic trading, and model explainability as part of its finance-focused curriculum.

Banking Needs More Than Automation
In banking, speed cannot come at the expense of accuracy or control. That makes governance and responsible implementation an important part of the learning process.
GSDC addresses AI ethics, governance, model risk, compliance, interpretability, and explainability alongside technical concepts. Learners can also work with validation points, risk guards, and escalation processes for high-risk banking applications.

Turning Knowledge Into Capability
A generative AI in finance certification can give professionals a structured way to connect AI concepts with financial applications.
GSDC combines self-paced learning, daily live sessions through GSDC Studio, hands-on learning, SME Connect sessions, practice exams, and a capstone project.

For professionals already working in finance, banking, technology, analytics, or management, this creates an opportunity to add AI knowledge without losing sight of their existing domain expertise.

Build Finance-Focused AI Skills
Understanding generative AI in banking is becoming less about following a technology trend and more about recognizing where it can support real financial workflows.

Build Finance AI Skills → https://www.gsdcouncil.org/certified-generative-ai-in-finance-and-banking

Generative AI Certification for Project Management: Build Skills for the AI-Driven Workplace

Jeevan Kumbhar — Tue, 08 Sep 2026 06:27:38 +0000

A project manager's calendar can fill up before the real work even begins. Meetings, follow-ups, reports, schedules, risk reviews, and stakeholder communication can consume valuable hours. Generative AI is changing how many of these activities can be approached.

For professionals who want to understand this shift, a Generative AI Certification for Project Management offers a focused way to connect AI capabilities with everyday project responsibilities.

Put AI Where the Work Actually Happens
The value of generative AI becomes clearer when it is applied to familiar project activities rather than treated as a purely technical subject.
GSDC's program covers practical areas including:
AI-assisted project planning and scheduling
Prompt engineering for project workflows
Stakeholder identification and engagement
Risk identification and analysis
Resource allocation and cost management
AI-supported reports, emails, and meeting minutes
The curriculum also includes practical demonstrations and case studies, helping learners explore how AI can support different stages of a project lifecycle.

From AI Curiosity to Workplace Capability
Consider a simple situation. After a lengthy project meeting, a PM needs to prepare minutes, identify action items, and communicate responsibilities. Instead of starting from scratch, an AI tool can help organize approved information into a structured draft. The project manager still reviews everything, corrects errors, and makes the final decisions.
That combination of technology and human judgment is where Generative AI in Project Management becomes particularly useful.
GSDC's learning approach includes 36+ hours of self-paced material, daily live sessions, SME Connect, practice exams, a capstone project, and job support.

Add an AI Layer to Your PM Career
The Gen AI in Project Manager Certification pathway can be relevant for project managers, coordinators, business analysts, product professionals, consultants, IT professionals, and others who want to strengthen their AI capabilities.
The goal isn't to replace project-management expertise. It's to add another useful layer to it—one that can help professionals work with AI more confidently and approach modern project challenges with a broader toolkit.

Ready to make your project-management skills AI-ready?

Explore the GSDC certification and start building practical GenAI skills for your next career move: https://www.gsdcouncil.org/certified-generative-ai-in-project-management

ISO 9001 Auditor Certification: What Professionals Should Know Before Enrolling

Jeevan Kumbhar — Mon, 07 Sep 2026 12:37:32 +0000

Choosing an ISO 9001 auditor certification is an important step for professionals who want to build expertise in quality management and auditing. But before enrolling, most learners want clarity on three practical areas: what the certification covers, how much it costs, and what to expect from the ISO 9001 exam.

GSDC’s Certified ISO 9001:2015 Lead Auditor program is designed to help professionals develop the knowledge required to plan, conduct, lead, and report Quality Management System audits. The program is self-paced and includes learning resources, practice opportunities, and career-focused support.

What the Certification Helps You Build
Lead auditor training is about more than understanding ISO 9001 terminology. It develops the ability to examine processes objectively, evaluate evidence, recognize non-conformities, and support continual improvement.
Key learning areas include:
ISO 9001:2015 requirements and QMS principles
Audit planning, execution, reporting, and follow-up
Risk-based thinking and process auditing
Non-conformity identification and corrective action
Evidence-based decision-making
Audit leadership and communication
GSDC also introduces the role of AI in modern quality management, including intelligent process monitoring, predictive analytics, and audit automation.

Understanding the Certification Cost
The ISO 9001 certification cost depends on the provider and what is included in the enrollment. GSDC currently lists its Single Access plan at $300, discounted from $600. The package includes the certification exam, one free retake, study material, practice resources, a capstone project, Job Support Program, and GSDC Membership.
Looking at the complete package rather than the course price alone helps professionals evaluate the overall value of certification.

Preparing for the ISO 9001 Exam
GSDC's ISO 9001 exam contains 40 multiple-choice questions. Candidates have 90 minutes, need a 65% passing score, and take the examination in a closed-book format. A complimentary retake is included.
Preparation becomes easier when learners combine the study material with practice exams and practical audit exercises.

Build Your Next Quality Career Step
An ISO 9001 auditor credential can strengthen a professional profile across quality, compliance, operations, manufacturing, and auditing. GSDC identifies potential career directions including Lead Auditor, Quality Manager, Compliance Manager, QMS Consultant, and audit leadership roles.
Ready to develop your auditing expertise? Explore GSDC’s Certified ISO 9001:2015 Lead Auditor program and take the next step toward a quality-focused career.

Start Your ISO 9001 Auditor Journey →
https://www.gsdcouncil.org/iso-9001-lead-auditor

AI Certificate Course for Practical Artificial Intelligence Skills

Jeevan Kumbhar — Mon, 07 Sep 2026 09:10:52 +0000

Artificial Intelligence is moving from an emerging technology topic to a practical business capability. Professionals increasingly need to understand how AI works, where it can be applied, and how organizations can approach implementation responsibly. A structured AI certificate course can provide that foundation without requiring learners to begin with highly specialized AI roles.

GSDC’s Certified Artificial Intelligence Foundation program focuses on AI fundamentals, intelligent technologies, and practical business applications. The curriculum covers Machine Learning, Deep Learning, Neural Networks, Generative AI, AI lifecycle concepts, and industry use cases.

Learning Objectives
The program is designed to help learners:
Understand core Artificial Intelligence and Machine Learning concepts.
Explore AI applications across healthcare, finance, retail, manufacturing, and enterprise operations.
Understand the AI lifecycle from data preparation through deployment and governance.
Develop awareness of fairness, transparency, privacy, and responsible AI.
Apply AI techniques to practical business challenges.

Learning Beyond Theory
GSDC combines self-paced expert-led learning with a Learn by Doing approach. The program includes more than 16 hours of learning, two practice exams, a capstone project, and an AI interview practice platform. Learners can also access GSDC Studio, practical assignments, AI toolkits, case studies, and other learning resources.

Who Benefits From the Program
The certification can be particularly useful for engineers, scientists, technology leaders, project and program heads, service architects, business strategists, consultants, process architects, and professionals involved in digital transformation. Programming knowledge is beneficial for this certification.

AI Certification With an Assessment Component
The GSDC certification exam contains 40 multiple-choice questions, has a 65% passing score, and runs for 90 minutes. The certification is valid for five years and includes a complimentary retake.

Explore the GSDC Artificial Intelligence Foundation Certification : https://www.gsdcouncil.org/certified-artificial-intelligence-foundation

Certified Software Asset Manager: Building Modern SAM Expertise

Jeevan Kumbhar — Mon, 07 Sep 2026 07:13:38 +0000

Introduction
Software is now deeply connected to everyday business operations. From enterprise applications to SaaS platforms, organizations need a clear way to manage software licenses, usage, contracts, compliance, and lifecycle activities. This has increased the importance of professionals who understand Software Asset Management (SAM).

GSDC’s SAM certification provides a structured learning path for professionals who want to develop knowledge in software asset governance, license optimization, compliance, and modern IT management. The program also introduces automation, cloud asset management, cybersecurity, and AI-powered SAM practices.

Developing Practical SAM Skills
The certification focuses on the complete software asset lifecycle, from planning and acquisition through deployment, maintenance, and retirement. Learners also explore how SAM can support cost control, compliance, governance, and better software utilization.
Key learning areas include:
Software license management and compliance
Software acquisition and renewal processes
Vendor and contract management
Software inventory and lifecycle management
Cloud and SaaS asset management
IT governance and cybersecurity
Automation and AI in Software Asset Management

Career Relevance
A certified software asset manager can apply these skills across different business functions. GSDC identifies IT managers, procurement professionals, financial managers, IT operations professionals, project managers, contract managers, risk professionals, and security managers among the audiences who can benefit from the certification.
For professionals researching CSAM certification salary, it is important to look beyond the credential itself. Career level, experience, responsibilities, location, and practical SAM expertise can all influence compensation. Certification can strengthen a professional profile, but it should be viewed as part of broader career development.

Certification Learning Experience
The GSDC program includes 16+ hours of learning, two practice exams, a capstone project, and an AI interview practice platform. The certification exam contains 40 multiple-choice questions, requires a 65% passing score, and has a 90-minute duration.

Build Your SAM Career
Professionals looking to strengthen their software governance, licensing, compliance, and asset management capabilities can explore the GSDC pathway.

Start Building Your SAM Expertise : https://www.gsdcouncil.org/certified-software-asset-manager

Strengthen Your Quality Management Career With ISO 9001 Expertise

Jeevan Kumbhar — Sat, 05 Sep 2026 06:46:27 +0000

Quality-focused organizations need professionals who can look beyond documentation and understand whether business processes are actually delivering consistent results. This is why knowledge of ISO 9001 has become valuable for people working in quality assurance, compliance, operations, manufacturing, and auditing.

For professionals balancing work and learning, ISO 9001 certification online offers a flexible way to develop quality management and auditing knowledge without completely changing their existing schedule.

Developing Practical Audit Capabilities
Understanding a quality management system is important, but effective auditing requires practical skills. Professionals need to know how to plan an audit, collect objective evidence, identify nonconformities, communicate findings, and support continual improvement.
A structured lead auditor program can help learners develop this broader perspective. GSDC's Certified ISO 9001:2015 Lead Auditor program provides self-paced learning along with study resources, practice exams, a capstone project, audit-related resources, and career support.
The learning experience is designed to help professionals connect quality management concepts with practical auditing situations.

Key Objectives
The program focuses on developing capabilities that can be applied in professional environments, including:
Understanding ISO 9001:2015 requirements and QMS principles.
Learning how to plan, conduct, lead, and report audits.
Identifying nonconformities and understanding corrective actions.
Applying risk-based thinking and evidence-based auditing.
Developing communication and leadership skills for audit activities.
Understanding emerging applications of AI in quality management and audit processes.

Benefits for Professionals
Building lead auditor expertise can support career development in quality and compliance-related roles. Professionals can strengthen their understanding of QMS processes, improve their audit approach, and become more confident when communicating quality findings.
For those pursuing an ISO 9001 certified lead auditor career path, structured learning can provide an important foundation. GSDC highlights potential career directions including Lead Auditor, Quality Manager, Compliance Manager, QMS Consultant, and audit leadership roles.

Move Forward With Quality Expertise
Quality management continues to evolve as organizations focus on efficiency, risk management, customer satisfaction, and continual improvement. Developing ISO 9001 auditing knowledge can help professionals remain prepared for these changing expectations.
Ready to strengthen your auditing career? Explore the GSDC Certified ISO 9001:2015 Lead Auditor program and take the next step toward professional growth.

Start Your Lead Auditor Journey :
https://www.gsdcouncil.org/iso-9001-lead-auditor

Choosing an AI Certification That Builds More Than a Certificate

Jeevan Kumbhar — Sat, 05 Sep 2026 06:13:36 +0000

Introduction
Artificial Intelligence is becoming relevant far beyond specialist technology teams. From automation and intelligent decision-making to computer vision and deep learning, AI is influencing how organizations develop products, improve processes, and approach digital transformation. This growing relevance has also created a crowded market for AI learning programs and professional credentials.

When evaluating an artificial intelligence certification, the certificate itself should not be the only consideration. Curriculum coverage, learning resources, practical exposure, assessment, and how well the program matches your professional goals can make a significant difference to the overall learning experience.

Start With the Skills, Not the Certificate
A useful AI learning program should help learners understand the technology rather than simply introduce a collection of AI terms. GSDC's Certified Artificial Intelligence Foundation focuses on fundamental AI concepts and includes areas such as:
Deep learning and neural networks
Computer vision and image recognition
AI solution implementation
AI deployment and scalability
AI project management
AI-powered automation
AI interpretability and explainability
Privacy considerations in AI
This provides learners with exposure to both technical concepts and broader considerations surrounding AI implementation.

A Learning Experience Designed for Different Starting Points
Not everyone approaching AI has the same level of technical experience. Some learners may be entering the field for the first time, while others may already work in technology and want to strengthen their understanding.
GSDC's certification is designed to assess foundational AI knowledge without requiring completion of prior courses. Its learning resources include self-paced content, videos, ebooks, templates, and practice exams.
This type of structure can help learners build their knowledge progressively while preparing for the certification assessment.

Building a Broader Understanding of AI
A foundation-level program can be useful because Artificial Intelligence is not limited to one technology. Deep learning, neural networks, computer vision, automation, deployment, scalability, and explainability represent different pieces of a much larger AI landscape.
Developing familiarity with these areas can help professionals communicate more effectively about AI projects and identify areas where further specialization may be appropriate.

Making the Course Relevant to Your Career Direction
The right certification depends partly on what you want to achieve. A developer may prioritize technical understanding, while a manager may be more interested in AI implementation and project considerations. Someone beginning an AI journey may instead need broad foundational knowledge.
GSDC's certification can provide a starting point for professionals who want to strengthen their understanding of AI fundamentals before moving into more specialized areas.

A Foundation for Continued AI Learning
Artificial Intelligence is changing quickly, so completing one certification should be viewed as a starting point rather than the end of learning. Professionals can continue developing their skills through practical experimentation, industry use cases, specialized AI subjects, and ongoing exposure to emerging technologies.

GSDC's Artificial Intelligence Foundation certification offers learners a structured introduction to fundamental AI concepts while providing resources designed to support learning and assessment preparation.

Explore the GSDC AI Foundation Certification : https://www.gsdcouncil.org/certified-artificial-intelligence-foundation

Build Practical Expertise in Software Asset Management

Jeevan Kumbhar — Fri, 04 Sep 2026 11:25:26 +0000

Introduction
Managing software effectively has become an important part of modern IT operations. Organizations need visibility into applications, licenses, contracts, usage, compliance requirements, and software lifecycle activities. This creates a growing need for professionals who understand how technology assets can be managed strategically rather than simply tracked.
GSDC’s SAM certification provides a structured pathway for professionals looking to develop knowledge across the Software Asset Management lifecycle. The program combines core SAM practices with areas such as automation, cloud and SaaS management, cybersecurity, IT governance, and artificial intelligence.

Core Areas of Learning
A strong SAM professional needs to understand how different software management activities connect with business objectives. The GSDC curriculum covers:
Software licensing and compliance
Software inventory and lifecycle management
Acquisition, renewals, and negotiation
Vendor and contract management
Cloud and SaaS asset management
ITAM governance and cybersecurity controls
Automation and AI-enabled SAM practices
The program includes 16+ hours of learning, two practice exams, a capstone project, and an AI interview practice platform.

Professional Value of SAM Expertise
A software asset manager certification can be useful for professionals working across IT, procurement, finance, contracts, risk, project management, and security. These functions often interact with software purchasing, licensing, compliance, vendor relationships, or technology governance.
Developing SAM knowledge can help professionals better understand software-related costs and risks while building a stronger foundation for managing assets from request through disposal.

Preparing for Modern Technology Environments
Software management is increasingly connected with cloud services and automation. GSDC’s curriculum reflects this shift through topics such as AI-driven software discovery, intelligent license optimization, compliance monitoring, predictive usage analytics, vendor intelligence, and lifecycle automation.
This makes the certification relevant for professionals who want to understand both established SAM principles and newer technology-driven approaches.

Certification Assessment
The GSDC certification examination contains 40 multiple-choice questions, with a 65% passing score and a 90-minute duration. The certification is listed as valid for five years and includes a complimentary retake.

Start Building Your SAM Expertise
Professionals looking to strengthen their knowledge of software licensing, compliance, asset governance, vendor management, and emerging SAM technologies can explore the GSDC certification pathway.

Advance Your Software Asset Management Career : https://www.gsdcouncil.org/certified-software-asset-manager