Stephen Marcus

Steve is Co-Founder and General Partner of Riot Ventures, investing across seed and growth stage companies. Steve is a six-time founder/CEO with over 20 years building large scale wireless networks and datacenters. He has invested in a half dozen unicorns and decacorns with a collective market capitalization of over $150B, including three IPOs ($OKTA, $TOST, $DM). Steve serves on the Board of Shield AI (aircraft and AI pilots), Blue Water Autonomy (large autonomous ships), Kindo (AI Cybersecurity), Mango (microbial quality control), and Valar Atomics (mass manufactured nuclear reactors).
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Steve received a BS from Worcester Polytechnic Institute and an MBA from the MIT Sloan School of Management. In his spare time, Steve plays competitive tennis and poker, having participated in the World Series of Poker and World Poker Tour. He loves to travel for great food and coffee, usually chatting with the locals and exploring strange new places. Steve is also an advanced helicopter and airplane pilot with Airline Transport Pilot (ATP) certificate, three jet type ratings and five flight instructor ratings.

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