Professional services
10 startup advisors
These ten startup advisors hold or have held a Startup Advisor title, or a close variant such as Startup Mentor & Advisor, in their own work histories. A reader can learn how a startup advisor helps founders with product-market fit, go-to-market, fundraising and leadership as a company grows.
Professionals to explore
01—10Adam Dexter
LinkedInExperience: Founder Coach & Startup Advisor · TheStartUpFounderCoach.com
Founder Coach & Startup Advisor at TheStartUpFounderCoach.com since 2018 and Mentor at Techstars since 2023. The profile describes coaching startup founders through co-founder conflict, leadership burnout and the gap between a scrappy do-everything founder and a scalable leader, with clients that include YC and Techstars founders.
Allan Von Schenkel
LinkedInExperience: Startup Advisor Team Building & Marketing · DataTribe
Former Startup Advisor Team Building & Marketing at DataTribe (2020–2026) and freelance GTM Engineer Startup Advisor since 2025; Founding Partner at UPNY Ventures since 2026. The profile describes working alongside founders from idea through go-to-market, with a focus on execution: building the systems, cadence and decision frameworks.
Andrew Oyedeji
LinkedInExperience: Startup Advisor & Mentor · RevTech Labs Foundation
Startup Advisor & Mentor at RevTech Labs Foundation since 2023, Startup Mentor at Techstars since 2024 and Founder & CEO of Facient since 2023. Former GM, Head of Operations at All Day Kitchens (2020–2022). The profile describes Techstars as a mentorship-driven accelerator program that helps founders scale their startups.
Anna Halushtenko
LinkedInExperience: Startup Advisor & Fractional CEO · Self-employed
Self-employed Startup Advisor & Fractional CEO since 2025. The profile describes helping pre-seed and seed founders with product-market fit, go-to-market and fundraising, and taking 20+ startups and products from idea to market as a builder inside companies and a mentor in startup accelerators. Former Product Lead at HOLYWATER TECH (2024–2025) and Entrepreneur in Residence at Mission Possible (2023–2024).
Bobby Lo
LinkedInExperience: Angel Investor Startup Advisor · Ostro
Angel Investor Startup Advisor at Ostro since 2019, where the profile also lists Advisor and Investor since 2021, and Advisor and Investor Board Member at Sprig since 2019. The profile describes working with startup founders on delivering great product and customer experiences as an independent startup advisor and generalist investor, and says companies Lo founded or co-founded have collectively generated over $500M in shareholder value.
Markus B.
LinkedInExperience: Startup Advisor Founder Community Platform Business Angel · Open To Work
Startup Advisor Founder Community Platform Business Angel (listed under Open To Work) since 2025. The profile describes advising a logistics/mobility startup in Ghana and founding an independent platform for accompanying partners in the diplomatic service and building a community of over 400 members. Former Head of Product Strategy & Marketing at Pickmeup Technologies Inc. (2022–2025).
Martin Fabel
LinkedInExperience: Startup Advisor & Board Member · AIPERIA
Startup Advisor & Board Member at AIPERIA since 2023 and Chief Operating Officer there since 2026; Founder Advisor at Soil Next since 2026. The profile describes advising start-ups, VCs and entrepreneurs on the basis of a career in top management consulting, where the focus was strategy, digital/eCommerce, go-to-market and transformation; the profile says Fabel is now a Partner Emeritus.
Matt Rebeiro
LinkedInExperience: Startup Advisor · MassChallenge
Startup Advisor at MassChallenge since 2026, with Startup Advisor roles also listed at Florida Atlantic Entrepreneurship Institute (FAEI) since 2026 and at The Forge McMaster, Alchemist Accelerator and Build Up Labs - venture studio & startup incubator since 2024. The profile says Rebeiro advises on designing technology products, aligning marketing with a company's vision, building automated processes using AI and growth strategies.
Rik Bhattacharya, MBA
LinkedInExperience: Startup Mentor & Advisor · Startupbootcamp
Former Startup Mentor & Advisor at Startupbootcamp (2023–2025) and Founder & Managing Director of Tipps Advisory since 2019. The profile also lists Head of Advisory Board at Protokol since 2020 and at Rentiv since 2021, and says Rik works alongside entrepreneurs and advises and sits on the boards of businesses, including in Web3.
Steve Barsh
LinkedInExperience: Startup Advisor & Angel Investor · Barsh Ventures
Startup Advisor & Angel Investor at Barsh Ventures since 2009 and Investor & Early Advisor at SeatGeek since 2009. The profile describes investing early and staying involved as an advisor to founders, CEOs and venture funds and a board member in technology-first companies, and says founders bring Barsh in for the strategy question they can't answer internally.
Choose the right perspective
Match the advisor's focus, such as fundraising, go-to-market, product or founder coaching, to the problem your company faces now. Ask how they structure advisory work, for example through an accelerator, an angel investment or a paid engagement, and how often they meet founders.
Questions to take into the conversation
- 01What problems do founders most often bring you, and how do you decide where you can help?
- 02How do you structure an advisory relationship, including time commitment, equity or fees, and how it ends?
- 03What should a pre-seed or seed company have in place before approaching investors?
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot and may describe past or present roles. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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