Find your path to Mike
95 people in our graph share verified history with Mike — schools, employers, funds. One of them is your warm intro.
Daniel BreyerunlockedMike: together at 100 Thieves (2021–2026)
×2Mike: together at Babson College
×2Mike: together at IAB
×7Mike: together at Griffin Gaming Partners
About
Mike Sepso, co-founder of Major League Gaming and ex-leader of Vindex, offers expertise in leagues, events, media rights, venues and broadcast tech, champions local gaming centers and advises non-endemic brands.
Invests in
Crypto & Web3Developer ToolsGamingMedia & EntertainmentSocial
Experience
- GriffinVenture Partnercurrent2026 — presentNew York and Los Angeles
- IndependentAngel Investorcurrent2025 — presentNew York, New York, United States
- IABCo-Chaircurrent2025 — present
- Popsical Music GroupCo-Foundercurrent2025 — presentNew York, New York, United States
- Global CitizenAdvisory Board - Media and Marketingcurrent2023 — presentNew York, New York, United States
- 100 ThievesBoard Of Directorscurrent2018 — present
- ESL FACEIT Group - EFGChief Strategy Officer (CSO)2023 — 2025New York, New York, United States
- VindexCo-founder, CEO2019 — 2023New York City Metropolitan Area
- AndboxInvestor and Strategic Advisor2018 — 2023Greater New York City Area
- Electronic Sports GroupChairman2018 — 2020New York City Metropolitan Area
- Activision BlizzardCorporate Senior Vice President2015 — 2018New York City Metropolitan Area
- Major League GamingPresident & Cofounder2002 — 2015New York, NY
- Major League GamingCEO and Co-founder2002 — 2008
- Legion Enterprises LLCManaging Partner2010 — 2012New York City Metropolitan Area
- Gotham BroadbandCo CEO1997 — 2002
- Thomson ReutersFixed Income Analyst1994 — 1996New York, New York, United States
Skills & more
C Level Management1Strategy CreationStrategic Partnerships88Digital Media86New Media24Start-ups55Mobile Devices9Marketing Strategy14Digital Marketing32Social Media Marketing34Licensing6Mobile Advertising5
+8 more
EntertainmentOnline AdvertisingNew Business DevelopmentDigital StrategyAccount ManagementOnline MarketingMarketingContent StrategyFrom Mike's professional profile.
Colleagues at Griffin Gaming Partners
Alex Kamins
Venture Partner at Griffin Gaming Partners
Altynai Raeva
Senior Fund Accountant at Griffin Gaming Partners
Amira Janbay
Executive Assistant at Griffin Gaming Partners
Chris Heatherly
Venture Partner at Griffin Gaming Partners
Chris Hollenbeck
CFO at Griffin Gaming Partners
Chris Quaidoo
Venture Partner at Griffin Gaming Partners
Daniel Wu
Investor at Griffin Gaming Partners
Doug Bemis
Venture Partner at Griffin Gaming Partners
Frequently asked questions
- Who is Mike Sepso?
- Mike Sepso, co-founder of Major League Gaming and ex-leader of Vindex, offers expertise in leagues, events, media rights, venues and broadcast tech, champions local gaming centers and advises non-endemic brands.
- Where does Mike Sepso work?
- Mike Sepso is Venture Partner at Griffin Gaming Partners.
- What does Mike Sepso invest in?
- Mike Sepso invests in Crypto & Web3, Developer Tools, Gaming, Media & Entertainment, Social.
- Where did Mike Sepso go to school?
- Mike Sepso studied at Babson College (BS, Management).
Same school
Also attended Babson College288
Reid HoffmanCo-founder of LinkedIn; Partner at GreylockEghosa OmoiguiFounder and Managing General Partner at EchoVC PartnersKevin ColleranManaging Director at Slow VenturesAjay RayasamPrincipal at Osage University PartnersRobert VerwaayenGeneral Partner at Keen Venture PartnersBill HurleyPrincipal at Marlin Equity Partners
+ 282 more
Shared employers
Also worked at IAB23
Katya MarinVice President - Finance at QED InvestorsRich RobinsonInvestor at NZVCJoe ApprendiGeneral Partner at Revel PartnersJanneke NiessenFounding Partner at CapitalTSheila BuckleyGlobal Head of Magnify Division & Business Development, Prohaska Consulting at The 98Seth GoldsteinAdvisor and Investor at Unbounded Capital
+ 17 more
