10 generative AI consultants
Generative AI consultants at big firms and in solo practice both appear here: four hold current generative AI titles at Tata Consultancy Services, Accenture and Capgemini Invent, while Kai Chaza, John Yanosy Jr and Geeta Kakrani now consult independently and Lukas Kemkes and Alexandros Klintsaris hold founder titles at their own firms. They suit a company choosing its first use cases, moving a pilot to production or weighing a large firm against an independent adviser.
Professionals to explore
Aastha Mukherjee
LinkedInExperience: Gen AI Senior Consultant · Capgemini Invent
Aastha Mukherjee has been Gen AI Senior Consultant at Capgemini Invent since July 2026, after Gen AI Consultant there (2025–2026), and describes specializing in the architecture and deployment of enterprise generative AI and agentic solutions. Mukherjee was Senior Associate Consultant (2024–2025) and Associate Consultant (2022–2024) at Infosys and an Application Development Analyst at Accenture in India (2021–2022).
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Alexandros Klintsaris
LinkedInExperience: Founder · Evodly Technologies GmbH
Leadership teams choosing where to start with generative AI are the fit for Alexandros Klintsaris, Founder of Evodly Technologies GmbH since April 2025 and an External Speaker Executive Education at ESMT Berlin since 2026, after co-founding Robowriter (2022–2025). Klintsaris helps organizations understand generative AI, identify practical use cases and build adoption capabilities through strategic advisory, executive sessions and hands-on team workshops.
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Geeta Kakrani
LinkedInExperience: Independent AI Architect & Consultant · Self-employed
Open LLM and agentic system questions suit Geeta Kakrani, an Independent AI Architect & Consultant since November 2025 who designs scalable AI architectures, builds custom LLM solutions, advises organizations and lists Google Developer Expert (AI/ML) among their credentials. Kakrani was Founder of Kanishka IT (2010–2025) and Lead Organizer of GDG Gwalior (2019–2025) and has been a Women Techmakers Ambassador since 2020.
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Hendrik Purwins
LinkedInExperience: Senior Generative AI Architect, Generative AI & LLM Center of Excellence, Accenture · Accenture
At Accenture, Hendrik Purwins has been Senior Generative AI Architect, Generative AI & LLM Center of Excellence, Accenture since February 2023 and AI Lead Emerging Technologies Germany, Switzerland, Austria, Turkey since 2019, and cites 13 years of generative AI experience including publications. Purwins was Associate Prof. at Aalborg University Copenhagen (2017–2019) and Assistant Professor at Aalborg University (2013–2017), so architecture and research-grounded questions fit.
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John Yanosy Jr
LinkedInExperience: Former Director Level Consultant - GenAI, LLMs, Ontologies, Metadata, Content, RAG, Knowledge Graph · KPMG US
John Yanosy Jr was Director Level Consultant - GenAI, LLMs, Ontologies, Metadata, Content, RAG, Knowledge Graph at KPMG US (2024–2025) and Director of Artificial Intelligence there (2017–2024), and has been a self-employed Enterprise AI Strategy and Architecture Consultant since November 2025. Yanosy helps organizations "move beyond isolated pilots and tool experimentation toward scalable AI capability", and was Chief Architect at Rockwell Collins (2004–2012).
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Kai Chaza
LinkedInExperience: Lead Gen AI Consultant · Capgemini
Sovereign AI on a telco's own cloud infrastructure was the subject of the Capgemini Sweden client project Kai Chaza led as Lead Gen AI Consultant at Capgemini in 2026; since August 2026, Chaza has been Lead Gen AI Architect as an Independent Consultant. With SmartCo UK, Chaza developed the in-house AI strategy for a UK financial services client; other roles include Gen AI Delivery Lead at HCLTech (2024–2025).
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Lukas Kemkes
LinkedInExperience: Generative AI & MLOps Consultant · Freelance
Berlin-based Lukas Kemkes was a freelance Generative AI & MLOps Consultant in 2023 and has been Founder & Managing Director of Kemkes AI Consulting since 2024, helping clients build an AI strategy, develop a proof-of-concept and implement AI in production. Kemkes was Co-Founder & CEO of Creatext (2020–2023) and has been a Techstars mentor since 2023, a fit for questions on taking a first build from prototype to production.
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Rakshit Singh
LinkedInExperience: Former Manager Generative AI Accenture Strategy & Consulting AI Transformation · Accenture
Multi-agent orchestration is among the AI systems Rakshit Singh cites across FMCG, government, automotive, insurance and retail. Since April 2026, Rakshit Singh has been Manager Generative AI Accenture Strategy & Consulting AI Transformation at Accenture, after Senior Data Scientist Managing Consultant AI at IBM (2025–2026), and held Data Scientist II Business Transformation Consultant AI (2022–2025) and Data Scientist Business Transformation Consultant AI (2018–2022) at IBM.
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Sagarika Singh
LinkedInExperience: Generative AI Consultant · Tata Consultancy Services
RAG and agent architecture questions fit Sagarika Singh, Generative AI Consultant at Tata Consultancy Services since May 2022, architecting end-to-end generative AI solutions focused on LLM RAG and agent and action workflows, working on OpenAI, Azure and open-source models and integrating chatbots and copilots. Singh was Machine Learning Consultant (2020–2022) and NextGen data and analytics platform Lead (2018–2020) at TCS.
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Theo Nater
LinkedInExperience: Sr. Consultant AI IT Strategy Interim GenAI for Business · Gen-AI solutions
Theo Nater, based in Schiedam, Netherlands, has been sr. Consultant AI IT Strategy Interim GenAI for Business at Gen-AI solutions since 2019, and describes a focus on generative AI for ERP, municipal and legacy systems. Nater held a CTO CIO senior consultant role at IBM Business Partners (2021–2023), Enterprise Architect Senior Consultant IBM Strategic ISV Alliances at IBM (2004–2019) and a PwC Consulting principal consultant role on ERP implementations (2000–2003).
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Choose the right perspective
For a build that has to reach production, Sagarika Singh, Aastha Mukherjee and Rakshit Singh describe RAG, agent and multi-agent architecture work, and Hendrik Purwins cites 13 years of generative AI experience and holds a Generative AI & LLM Center of Excellence title at Accenture. Strategy and use-case selection fit John Yanosy Jr, Alexandros Klintsaris and Lukas Kemkes; Kai Chaza suits sovereign AI questions, Theo Nater generative AI for ERP and legacy systems, and Geeta Kakrani open LLMs.
Questions to take into the conversation
- 01Which first generative AI use case gives the clearest return, and how do you rule out the ones that only demo well?
- 02When should a company build RAG or agent workflows on a hosted LLM rather than run open or sovereign models on its own infrastructure?
- 03What governance, evaluation and monitoring should be in place before a generative AI pilot goes into production?
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.