Top 5 Roles on AI Teams

BY SCOTT M. GRAFFIUS | ScottGraffius.com

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Effective Artificial Intelligence (AI) teams leverage critical hard skills and soft skills to develop and deliver successful AI products, including innovative solutions that address real-world challenges and have a positive impact on the world. (If you’d like to learn about the critical skills leveraged by effective AI teams, select here for our popular article on the topic.) This article focuses on the roles on AI teams.

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The composition (size and roles) of AI teams varies by organization based on the respective company’s needs, the nature of the AI endeavor including complexity, and other factors. However, AI teams commonly include (at least these) five positions. Here are the five along with brief descriptions, listed in alphabetical order:

  1. AI Research Scientist: AI research scientists are responsible for conducting research and developing cutting-edge AI algorithms and models.
  2. AI Software Engineer: AI software engineers are responsible for integrating AI components into software applications. They bridge the gap between AI research and practical implementation, making AI systems usable by end-users.
  3. Data Engineer: Data engineers are responsible for building and managing the data pipelines that feed AI models. They ensure that data is collected, cleaned, and prepared in a format suitable for analysis and model training.
  4. Data Scientist: Data scientists are experts in data analysis and interpretation. They preprocess, analyze, and extract valuable insights from data, which is vital for training and improving AI models.
  5. Machine Learning Engineer: Machine learning engineers focus on implementing and deploying machine learning models into practical applications. They work to ensure that AI models are integrated into software systems effectively.

The above five roles collectively cover key aspects of AI development — from research and model creation to data management and software integration. Depending on requirements and characteristics (such as degree of complexity), additional positions may be needed.

An expanded list of 20 roles common to AI teams follow. Here are the aforementioned 5 and 15 additional positions, listed in alphabetical order:
  1. AI DevOps Engineer: Combines development and operations skills to streamline AI model deployment. They automate tasks.
  2. AI Ethicist: Ensures that AI systems are developed and used responsibly and ethically.
  3. AI Infrastructure Engineer: Builds and maintains the infrastructure required for AI model deployment and scalability.
  4. AI Legal and Compliance Specialist: Ensures AI projects comply with legal and regulatory requirements.
  5. AI Marketing Specialist: Promotes and markets AI products and solutions to customers and stakeholders.
  6. AI Operations (AIOps) Specialist: Focuses on the operational aspects of AI, including monitoring, maintenance, and troubleshooting.
  7. AI Product Manager: Oversees the development and deployment of AI products.
  8. AI Project Manager: Leverages general and specialized hard skills and soft skills, and applies their understanding of many aspects of artificial intelligence (such as machine learning, deep learning, automation, robotics, and natural language processing) to manage the planning, execution, and delivery of AI projects. Note: Titles vary by organization; the position may be called an AI Project Manager, AI Program Manager, Agile Project Manager, Technical Project Manager, Scrum Master, or another related designation.
  9. AI QA Engineer: Ensures the quality and reliability of AI models through testing and validation.
  10. AI Research Scientist: Conducts research to develop new AI algorithms and models.
  11. AI Software Engineer: Builds and maintains software systems that incorporate AI components.
  12. AI Trainer/Annotator: Prepares and labels data for training AI models, especially for supervised learning.
  13. AI UX/UI Designer: Designs user interfaces and experiences for AI-powered applications.
  14. Computer Vision Engineer: Specializes in developing AI models for image and video analysis.
  15. Data Analyst: Examines data to uncover trends and insights that can guide AI projects.
  16. Data Engineer: Manages data pipelines and prepares data for analysis and model training.
  17. Data Scientist: Analyzes and interprets data to extract insights and inform AI models.
  18. Deep Learning Engineer: Focuses on deep neural networks and architectures.
  19. Machine Learning Engineer: Focuses on implementing and deploying machine learning models.
  20. Natural Language Processing (NLP) Engineer: Specializes in working with text and language-related AI tasks.

The composition (size and roles) of AI teams varies, based on the complexity of the AI project and other factors. On smaller teams, individuals often ‘wear multiple hats.’ On larger teams, individuals typically have more specialized roles.

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This article covered the roles common to AI teams. Listings are not exhaustive of all potential positions. Additionally, as the field of AI continues to evolve and advance, new roles may materialize to address emerging challenges and opportunities.

(If you’d like to learn about the critical skills leveraged by successful AI teams, select
here for our popular article on the topic.)

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How to Cite This Article

Graffius, Scott M. (2023, October 9). Top 5 Roles on AI Teams. Available at:
https://scottgraffius.com/blog/files/ai-team-roles.html. DOI: 10.13140/RG.2.2.34857.57449.

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About Scott M. Graffius


Scott M Graffius - ScottGraffius_com Blog - v S Perry Nov 1 2023 - LR

Scott M. Graffius, PMP, SA, CSP-SM, CSP-PO, CSM, CSPO, SFE, ITIL, LSSGB is an agile project management practitioner, consultant, multi-award-winning author, and international keynote speaker. He is the Founder of Exceptional PPM and PMO Solutions™ and subsidiary Exceptional Agility™. He has generated over $1.9 billion of business value in aggregate for Global Fortune 500 businesses and other organizations he has served. Graffius and content from his books, talks, workshops, and more have been featured and used by businesses, professional associations, governments, and universities. Examples include Microsoft, Oracle, Broadcom, Cisco, Gartner, Project Management Institute, IEEE, Qantas, National Academy of Sciences, United States Department of Energy, New Zealand Ministry of Education, Yale University, Tufts University, and others. He has delighted audiences with dynamic and engaging talks and workshops on agile, project management, and technology (including AI, GameDev, and more) leadership at 87 conferences and other events across 25 countries.

His full bio is available
here.

Connect with Scott on:


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About Agile Scrum: Your Quick Start Guide with Step-by-Step Instructions

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Shifting customer needs are common in today's marketplace. Businesses must be adaptive and responsive to change while delivering an exceptional customer experience to be competitive.

There are a variety of frameworks supporting the development of products and services, and most approaches fall into one of two broad categories: traditional or agile. Traditional practices such as waterfall engage sequential development, while agile involves iterative and incremental deliverables. Organizations are increasingly embracing agile to manage projects, and best meet their business needs of rapid response to change, fast delivery speed, and more.

With clear and easy to follow instructions, the multi award-winning
Agile Scrum: Your Quick Start Guide with Step-by-Step Instructions book by Scott M. Graffius (Chris Hare and Colin Giffen, Technical Editors) helps the reader:

  • Implement and use the most popular agile frameworkโ€•Scrum;
  • Deliver products in short cycles with rapid adaptation to change, fast time-to-market, and continuous improvement; and
  • Support innovation and drive competitive advantage.

Hailed by Literary Titan as “the book highlights the versatility of Scrum beautifully.”

Winner of 17 first place awards.

Agile Scrum: Your Quick Start Guide with Step-by-Step Instructions is available in paperback and ebook/Kindle in the United States and around the world. Some links by country follow.



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About
Agile Transformation: A Brief Story of How an Entertainment Company Developed New Capabilities and Unlocked Business Agility to Thrive in an Era of Rapid Change

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Thriving in today's marketplace frequently depends on making a transformation to become more agile. Those successful in the transition enjoy faster delivery speed and ROI, higher satisfaction, continuous improvement, and additional benefits.

Based on actual events,
Agile Transformation: A Brief Story of How an Entertainment Company Developed New Capabilities and Unlocked Business Agility to Thrive in an Era of Rapid Change provides a quick (60-90 minute) read about a successful agile transformation at a multinational entertainment and media company, told from the author's perspective as an agile coach.

The award-winning book by
Scott M. Graffius is available in paperback and ebook/Kindle in the United States and around the world. Some links by country follow.



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The short link for this article is:
https://bit.ly/ai-roles.

© Copyright 2023 Scott M. Graffius. All rights reserved. This material may not be published, broadcast, rewritten or redistributed without the express written permission of Scott M. Graffius.





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Perplexity Standalone Article on AI Hallucinations Cites Research by Scott M. Graffius

BY SCOTT M. GRAFFIUS | ScottGraffius.com

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Graffius, S. M. (2026, February 15). Perplexity Standalone Article on AI Hallucinations Cites Research by Scott M. Graffius. ScottGraffius.com. https://doi.org/10.13140/RG.2.2.16840.99847






Perplexity Standalone Article on AI Cites Graffius' Work



Founded in 2022, Perplexity is an AI-powered search and conversational answer platform designed to streamline information discovery by delivering concise, up-to-date responses grounded in web data and supported with citations.

Perplexity also publishes standalone articles on specific topics. It included Scott M. Graffius' research—"
Are AI Hallucinations Getting Better or Worse? We Analyzed the Data"—among the sources cited in its standalone article on the subject. Excerpts are shown below.

perplexity-standalone-article-on-ai-cites-research-by-graffius---excerpts-lwres

Details including links are in the Bibliography section.




More About Perplexity



Perplexity consistently ranks among the top 10 most popular generative AI tools based on web traffic and usage, and within the top 5 among AI search/chat assistants (Business Insider, 2025; DataStudios, 2025; Dotdesh, 2025; Liu & Wang, 2024; Similarweb, 2025; TwinStrata, 2025).




Bibliography



Business Insider. (2025, October 8). Sam Altman touts ChatGPT’s 800 million weekly users, double all its main competitors combined. BusinessInsider.com. https://www.businessinsider.com/chatgpt-users-openai-sam-altman-devday-llm-artificial-intelligence-2025-10

DataStudios. (2025). Global ranking of the most popular AI chatbots by usage. DataStudios.org. https://www.datastudios.org/post/global-ranking-of-the-most-popular-ai-chatbots-by-usage

Dotdesh. (2025). 65 most popular AI tools ranked. Dotdesh.com. https://www.dotdesh.com/65-most-popular-ai-tools-ranked-october-2025/

Graffius, S. M. (2026, January 7). Are AI Hallucinations Getting Better or Worse? We Analyzed the Data. ScottGraffius.com. https://doi.org/10.13140/RG.2.2.33179.53285

Liu, Y., & Wang, H. (2024). Ranked: The most popular generative AI tools in 2024. Visual Capitalist. https://www.visualcapitalist.com/ranked-the-most-popular-generative-ai-tools-in-2024/

Perplexity (2026, February 12). Study Finds Celebrated AI Model Guesses Answers, Lacks Cognition. Perplexity AI stand-alone article. https://www.perplexity.ai/page/experts-say-ai-lacks-true-huma-JfKEeQvcRhCddq0tgTAiMw

Similarweb. (2025). Top AI tools: Most used Genโ€‘AI in August 2025. https://www.similarweb.com/blog/marketing/seo/most-used-ai/

TwinStrata. (2025). Perplexity AI statistics 2026: Key data and trends. TwinStrata.com. https://www.twinstrata.com/perplexity-ai-statistics/




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About Scott M. Graffius



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Scott M. Graffius is a strategic transformation leader who drives AI, Agile, and broader business and technology initiatives to deliver measurable value across projects, programs, portfolios, and PMOs. He is an expert in the teamwork tradecraft of both human and human-AI teams, including the “exotic team dynamics” that emerge. He is also an authority on the temporal patterns of social media, including the half-life of audience engagement.

He’s a practitioner, researcher, thought leader, award-winning author, and keynote speaker who’s taken the stage at 97 conferences and other events across 25 countries.

He’s delivered over $2.3 billion in value for Fortune 500 companies and other leaders in technology, entertainment, financial services, healthcare, and beyond.

Businesses, professional associations, government agencies, and universities use Graffius and feature his work. Examples include Adobe, Bayer, Boston University, Ford, Gartner, Harvard Medical School, IEEE, Johns Hopkins University, Microsoft, MSN, National Academy of Sciences, Oracle, Pinterest Inc., Project Management Institute, UC San Diego, Verizon, Yale University, and others.

The following sections provide additional information on his experience, contributions, and influence.

Experience

Graffius heads the professional services firm Exceptional PPM and PMO Solutions, along with its subsidiary Exceptional Agility. These consultancies offer strategic and tactical advisory, training, embedded expertise, and consulting services to the public, private, and government sectors. They help organizations enhance their capabilities and results in agile, project management, program management, portfolio management, and PMO leadership, supporting innovation and driving competitive advantage. The consultancies confidently back services with a Delighted Client Guarantee™.

Graffius is a former VP of project management with a publicly traded provider of diverse consumer products and services over the Internet. Before that, he ran and supervised the delivery of projects and programs in public and private organizations with businesses ranging from e-commerce to advanced technology products and services, retail, manufacturing, entertainment, and more.

He has experience with consumer, business, reseller, government, and international markets.

Award-Winning Author

Graffius has authored three books.


International Public Speaker

Organizations worldwide engage Graffius to present on tech (including AI), Agile, project management, program management, portfolio management, and PMO leadership. He crafts and delivers unique and compelling talks and workshops.
Graffius has conducted 96 sessions across 25 countries. Select examples of events include Agile Trends Gov, BSides (Newcastle Upon Tyne), Conf42 Quantum Computing, DevDays Europe, DevOps Institute, DevOpsDays (Geneva), Frug’Agile, IEEE, Microsoft, Scottish Summit, Scrum Alliance RSG (Nepal), Techstars, and W Love Games International Video Game Development Conference (Helsinki), and more.

With an average rating of 4.81 (on a scale of 1-5), sessions are highly valued.

The speaker engagement request form is
here.

Thought Leadership and Influence

Prominent businesses, professional associations, government agencies, and universities have showcased Graffius and his contributions—spanning his books, talks, workshops, and beyond. Select examples include:

  • Adobe,
  • American Management Association,
  • Amsterdam Public Health Research Institute,
  • Bayer,
  • BMC Software,
  • Boston University,
  • Broadcom,
  • Cisco,
  • Coburg University of Applied Sciences and Arts - Germany,
  • Computer Weekly,
  • Constructor University - Germany,
  • Data Governance Success,
  • Deimos Aerospace,
  • DevOps Institute,
  • Dropbox,
  • EU's European Commission,
  • Ford Motor Company,
  • Gartner,
  • GoDaddy,
  • Harvard Medical School,
  • Hasso Plattner Institute - Germany,
  • IEEE,
  • Innovation Project Management,
  • Johns Hopkins University,
  • Journal of Neurosurgery,
  • Lam Research (Semiconductors),
  • Leadership Worthy,
  • Life Sciences Trainers and Educators Network,
  • London South Bank University,
  • Microsoft,
  • MSN,
  • NASSCOM,
  • National Academy of Sciences,
  • New Zealand Government,
  • Oracle,
  • Pinterest Inc.,
  • Project Management Institute,
  • Mary Raum (Professor of National Security Affairs, United States Naval War College),
  • SANS Institute,
  • SBG Neumark - Germany,
  • Singapore Institute of Technology,
  • Torrens University - Australia,
  • TBS Switzerland,
  • Tufts University,
  • UC San Diego,
  • UK Sports Institute,
  • University of Galway - Ireland,
  • US Department of Energy,
  • US National Park Service,
  • US Soccer,
  • US Tennis Association,
  • Verizon,
  • Wrike,
  • Yale University,
  • and many others.

Graffius has played a key role in the Project Management Institute (PMI) in developing professional standards. He was a member of multiple teams that authored, reviewed, and produced:

  • Practice Standard for Work Breakdown Structures—Second Edition.
  • A Guide to the Project Management Body of Knowledge—Sixth Edition.
  • The Standard for Program Management—Fourth Edition.
  • The Practice Standard for Project Estimating—Second Edition.

Additional details are
here.

He was also a subject matter expert reviewer of content for the PMI’s Congress. Beyond the PMI, Graffius also served as a member of the review team for two of the Scrum Alliance’s Global Scrum Gatherings.

Acclaimed Authority on Teamwork Tradecraft

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Graffius is a renowned authority on teamwork tradecraft. Informed by the research of Bruce W. Tuckman and Mary Ann C. Jensen, over 150 subsequent studies, and Graffius' first-hand professional experience with, and analysis of, team leadership and performance, Graffius created his "Phases of Team Development" intellectual property as a unique perspective and visual conveying the five phases of team development. First introduced in 2008 and periodically updated, his work provides a diagnostic and strategic guide for navigating team dynamics. It provides actionable insights for leaders across industries to develop high-performance teams. Its adoption by esteemed organizations such as Yale University, IEEE, Cisco, Microsoft, Ford, Oracle, Broadcom, the U.S. National Park Service, and the Journal of Neurosurgery, among others, highlights its utility and value, solidifying its status as an indispensable resource for elevating team performance and driving organizational excellence. In 2026, Graffius added human-AI teamwork—including the "exotic team dynamics" which emerge when advanced AI collaborates as a teammate—to his "Phases of Team Development."

The 2026 edition of Graffius' "Phases of Team Development" intellectual property is here.

Expert on Temporal Dynamics on Social Media Platforms

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Graffius is also an authority on temporal dynamics on social media platforms. His "Lifespan (Half-Life) of Social Media Posts" research—first published in 2018 and updated annually—delivers a precise quantitative analysis of post longevity across digital platforms, utilizing advanced statistical techniques to determine mean half-life with precision. It establishes a solid empirical base, effectively highlighting the ephemeral nature of content within social media ecosystems. Referenced and applied by leading entities—such as Fast Company, GoDaddy,
Journal of Hand Surgery (European Volume), Ministère de la Culture (French Ministry of Culture), Pinterest Inc., PNAS, and Telecommunications Policy, among others—his research exemplifies methodological rigor and sustained significance in the field of digital informatics.

The 2026 edition of Graffius "Lifespan (Half-Life) of Social Media Posts" research is here.

Education and Professional Certifications

Graffius has a bachelor’s degree in psychology with a focus in Human Factors. He holds eight professional certifications:

  • Certified SAFe 6 Agilist (SA),
  • Certified Scrum Professional - ScrumMaster (CSP-SM),
  • Certified Scrum Professional - Product Owner (CSP-PO),
  • Certified ScrumMaster (CSM),
  • Certified Scrum Product Owner (CSPO),
  • Project Management Professional (PMP),
  • Lean Six Sigma Green Belt (LSSGB), and
  • IT Service Management Foundation (ITIL).

He is an active member of the Scrum Alliance, the Project Management Institute (PMI), and the Institute of Electrical and Electronics Engineers (IEEE).

Advancing AI, Agile, and Project/PMO Management

Scott M. Graffius continues to advance the fields of AI, Agile, and Project/PMO Management through his leadership, research, writing, and real-world impact. Businesses and other organizations leverage Graffius’ insights to drive their success.

Discover Scott’s Books


Connect with and follow Scott on LinkedIn, X, YouTube, Facebook, Threads, Bluesky, Mastodon, and ResearchGate.




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How to Cite This Article



Graffius, S. M. (2026, February 15). Perplexity Standalone Article on AI Hallucinations Cites Research by Scott M. Graffius. ScottGraffius.com.
https://doi.org/10.13140/RG.2.2.16840.99847




scottgraffius-com-article-sections-v2026-doi-lwres

Digital Object Identifier (DOI)



https://doi.org/10.13140/RG.2.2.16840.99847




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Content Acknowledgements



Perplexity is a generative AI search tool that produces conversational answers with citations. It also publishes standalone articles on specific topics. Perplexity cited Scott M. Graffius' "Are AI Hallucinations Getting Better or Worse? We Analyzed the Data" research among its sources for its "Study Finds Celebrated AI Model Guesses Answers, Lacks Cognition" publication.

This piece uses limited excerpts from the respective Perplexity content, attributed to Perplexity and used under fair use for news reporting and analysis.

Perplexity name, mark, and content are the property of Perplexity AI, Inc. or its affiliates or licensors.

Graffius' content is copyright © Scott M. Graffius. All rights reserved.




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Tags and Hashtags



  • Artificial Intelligence (AI)
  • AI Hallucinations
  • Perplexity AI
  • AI Research Citation
  • Generative AI Trends
  • Scott M. Graffius
  • AI Limitations
  • Reasoning Models

  • #AI
  • #AIHallucinations
  • #PerplexityAI
  • #ArtificialIntelligence
  • #AIEthics
  • #GenerativeAI
  • #AIResearch
  • #TechTrends




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Post-Publication Notes



If there are any supplements or updates to this article after the date of publication, they will appear here.




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Copyright



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Content on this site—including text, images, videos, and data—may not be used for training or input into any artificial intelligence, machine learning, or automatized learning systems, or published, broadcast, rewritten, or redistributed without the express written permission of Scott M. Graffius.






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