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 β presentNew York and Los Angeles
- IndependentAngel Investorcurrent2025 β presentNew York, NY
- IABCo-Chaircurrent2025 β present
- Popsical Music GroupCo-Foundercurrent2025 β presentNew York, NY
- Global CitizenAdvisory Board - Media and Marketingcurrent2023 β presentNew York, NY
- 100 ThievesBoard Of Directorscurrent2018 β present
- ESL FACEIT Group - EFGChief Strategy Officer (CSO)2023 β 2025New York, NY
- VindexCo-founder, CEO2019 β 2023New York City Metropolitan Area
- AndboxInvestor and Strategic Advisor2018 β 2023Greater New York City Area
- Electronic Sports GroupChairman2018 β 2020Greater New York City Area
- Activision BlizzardCorporate Senior Vice President2015 β 2018Greater New York City Area
- Major League GamingPresident & Cofounder2002 β 2015New York, NY
- Major League GamingCEO and Co-founder2002 β 2008
- Legion Enterprises LLCManaging Partner2010 β 2012Greater New York City Area
- Gotham BroadbandCo CEO1997 β 2002
- Thomson ReutersFixed Income Analyst1994 β 1996New York, New York, United States
Education
- Babson CollegeBS, Management1990 β 1994
Skills & more
C Level Management1Strategy CreationStrategic Partnerships87Digital Media85New Media23Start-ups54Mobile Devices9Marketing Strategy13Digital Marketing31Social Media Marketing33Licensing6Mobile Advertising5
+12 more
EntertainmentOnline AdvertisingNew Business DevelopmentDigital StrategyAccount ManagementOnline MarketingMarketingContent StrategyStrategyManagementIntegrated MarketingProduct ManagementFrom Mike's professional profile.
Same school
Also attended Babson College134
Reid HoffmanCo-founder of LinkedIn; Partner at GreylockEghosa OmoiguiFounder and Managing General Partner at EchoVC PartnersKevin ColleranManaging Director at Slow VenturesAnn PauloseSenior Investor Relations Associate at GreycroftAjay RayasamPrincipal at Osage University PartnersBill HurleyPrincipal at Marlin Equity Partners
+ 128 more
Shared employers
Also worked at IAB13
Katya MarinVice President - Finance at QED InvestorsRich RobinsonInvestor at NZVCJoe ApprendiGeneral Partner at Revel PartnersJanneke NiessenFounding Partner at CapitalTLynda ClarizioCo-Founder, General Partner at The 98Sheila BuckleyGlobal Head of Magnify Division & Business Development, Prohaska Consulting at The 98
+ 7 more
Also worked at 100 Thieves3
Also worked at Activision Blizzard7
Damir BecirovicInvestor at Index VenturesLirui DingPrincipal at TRANSCENDCoddy JohnsonPartner at Goodwater CapitalJonny AizikAssociate at OutsidersDani TranPrincipal at Bitkraft Esports VenturesAbby AlbrightCo-Founder and Investor at WXR Fund
+ 1 more
Also worked at Thomson Reuters88
Andrea HippeauPartner at Lerer HippeauBob StefanskiManaging Director at eLab VenturesRhie LimPartner, Global Strategy at One Way VenturesJoePartner at Thomson Reuters VenturesJosef NajmPrincipal at Thomson Reuters VenturesJillExecutive Assistant at Thomson Reuters Ventures
+ 82 more
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
Angela Dalton
Venture Partner at Griffin Gaming Partners
Anthony Palma
Principal 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























.webp)







