10 product management consultants
Each of these product management consultants currently works as a fractional product leader, freelancer or independent consultant, some under practice names such as ProductFlex, JC Product Consulting and Kalmakis Product Advisory. Their in-house roles include Google, Delivery Hero, Shutterfly, True Fit and CBS Interactive. Founders deciding whether to hire a full-time product leader, or how to fix a stalled roadmap, can hear from people who have sat on both sides.
Professionals to explore
Alexander Jarzebinski
LinkedInExperience: Product Management Consultant · Freelance
As a freelance Product Management Consultant since 2023, Alexander Jarzebinski draws on 22 years in product across Meta, PlayStation, Blizzard, startups and growth-stage companies, covering product strategy, monetization initiatives, platform relaunches and organizational design. Other roles include Vice President of Product at emcee (2022-2023) and Co-Founder Chief Product Officer at BattleBards LLC (2014-2025), a fit for gaming product questions.
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Alexis Longinotti
LinkedInExperience: Product Management Consultant & Advisor · ProductFlex
Since 2014, Alexis Longinotti has been Product Management Consultant & Advisor at ProductFlex, an independent practice offering product management from ideation, product vision and roadmap planning through execution, go-to-market and analytics. In-house roles include Director of Product at Lively (2012-2013), Product Strategist at Mixbook (2012), Senior Product Manager at Shutterfly (2008-2011) and Product Manager at Hightail (2006-2008), a fit for teams that need a consultant who joins an existing product team.
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Joe Coles
LinkedInExperience: Fractional Product Management Leader, Consultant & Coach · JC Product Consulting
Product strategies, roadmaps and capabilities are what Joe Coles builds with teams as Fractional Product Management Leader, Consultant & Coach at JC Product Consulting since 2023 and Fractional Product Management Lead at airifi since 2024. Other roles were Product Strategy Consultant at Aferian plc (2023-2024) and Director of Product at HOMESERVE LABS LIMITED (2017-2022), and Coles has mentored at SETsquared Surrey since 2024.
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Matthew Rowbottom
LinkedInExperience: Product Strategy and Product Management Consulting (Fractional) · Consulting
Fractional work is Matthew Rowbottom's current role, Product Strategy and Product Management Consulting (Fractional) since 2025, providing retained and project-based product leadership for SMB, startup and growth-stage companies. Matthew Rowbottom was Director of Product Management at 1WorldSync, by Syndigo (2019-2025) and Senior Product Manager, Ecommerce SaaS Platforms at CBS Interactive (2012-2019), useful for ecommerce and SaaS platform roadmaps.
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Mike Kalmakis
LinkedInExperience: Founder & Principal Consultant · Kalmakis Product Advisory
AI-native SaaS businesses are the clients of Kalmakis Product Advisory, which Mike Kalmakis founded in 2020 and serves as Principal Consultant, helping them define product strategies, ship better software and scale. Other roles include Senior Vice President of Product Management at Evertune AI (2025-2026) and, at True Fit, Director of Product Management (2019-2020), Vice President of Product Management (2019-2024) and Senior Vice President, Product Management (2023-2024).
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Olga Katzenelson
LinkedInExperience: Product Management Consultant · Self Employed
Building product process at a startup is the match for Olga Katzenelson, a self-employed Product Management Consultant since 2025 working as a freelance product leader who helps startups define product strategy, establish product processes and mentor product managers. Earlier roles were Lead Product Manager at Delivery Hero (2021-2024) and, at Lendico Deutschland GmbH, Senior Product Manager (2018-2021), Product Manager (2017-2018) and Sr Quality Assurance Engineer (2016-2017).
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Paul Clenahan
LinkedInExperience: Product Management Consultant Advisor · Independent
Paul Clenahan has been an independent Product Management Consultant Advisor since 2015 and Founding Product Leader (Consultant Role) at Lirvana Labs since 2022, and describes the work as fractional product executive, helping founders and teams bridge strategy and execution. Consultant roles also include Product Strategist (Consultant Role) at Winmore (2019-2021) and VP of Products (Consultant Role) at Tanzu Observability by Wavefront (2016-2017), followed there by Product Leadership (2017-2018).
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Rachel Beck, MPA, MS Data Science
LinkedInExperience: Product Management Consultant (AI, Product and Data) · Independent Consultant
For data product questions, Rachel Beck has been an independent Product Management Consultant (AI, Product and Data) since 2025 and Faculty at Illuminate LLC since 2026. Earlier roles include Director of Data Product (Product Management and Strategy) at exchange.design (2024-2025) and Product Manager, Analytics and Business Intelligence (Sr. Tech Advisor, Monitoring and Evaluation) at CARE (2020-2023), with cross-functional team leadership, user research and technical trade-offs described in Beck's own words.
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Scott Blanksteen
LinkedInExperience: Product Consulting Fractional Chief Product Officer (CPO) & Startup Advisor · Self-Employed
Scott Blanksteen has been a self-employed Product Consulting Fractional Chief Product Officer (CPO) & Startup Advisor since 2023, helping growth-stage companies with product strategy, design and team leadership. Other roles were Senior Director, Product Management, Android at Google (2021-2023) and, at Walmart, Vice President, Product (Corporate Officer) - Commerce (2020-2021), Vice President, Product Head of AVOD and TVOD - Vudu (2018-2020) and Vice President, Product and AVOD - Vudu (2016-2018), a fit for anyone weighing a fractional CPO.
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Victor Nelson
LinkedInExperience: Product Management and Market Development Consultant · Independent Product Management Consultant
Victor Nelson has worked as a Product Management and Market Development Consultant independently since 2018 and in 2010-2013. Other roles include Co-founder and Principal Product Manager at Convage (2016-2018), Manager of SaaS Product Management at NRG Energy (2014-2016) and Director of Product Management at Blue Chip Exec (2012-2013). In their own words, they find unsolved market and customer problems and work with the team to build and launch products, useful when the market itself is uncertain.
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Choose the right perspective
If you want someone to hold the product seat for a while, look at the fractional leaders: Scott Blanksteen, Joe Coles, Matthew Rowbottom and Paul Clenahan. For setting up product process and coaching product managers at a startup, Olga Katzenelson is the direct match; for AI and data products, Rachel Beck or Mike Kalmakis. Alexis Longinotti, Victor Nelson and Alexander Jarzebinski suit project-based help from vision to launch.
Questions to take into the conversation
- 01How do you tell whether a company needs a fractional product leader or a full-time head of product?
- 02What is the first product process you install when a team has outgrown founder-led prioritization?
- 03How do you hand a roadmap back to the in-house team at the end of a product consulting engagement?
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.