
Current Firm
Riot Ventures
Investments
1+ companies
Focus
Deeptech, AI
Stephen Marcus is Co-Founder and General Partner at Riot Ventures, a venture capital firm focused on deeptech innovation across artificial intelligence, robotics, aerospace and defense, and space technologies. With a strategic investment thesis centered on transformative technologies, Marcus has demonstrated acumen in identifying and supporting high-impact ventures in complex technical domains. His portfolio includes Toast, a notable success in the restaurant technology space. Through Riot Ventures, Marcus works with founders building the next generation of sophisticated hardware and software solutions that address fundamental challenges in emerging sectors. His expertise spans the evaluation and support of companies tackling problems at the intersection of cutting-edge science and scalable commercialization.
Stephen Marcus is a Co-Founder and General Partner, Riot Ventures at Riot Ventures, based in Boston, MA.
Stephen's investment focus spans Deeptech, AI, Robotics, Aerospace & Defense, Space, primarily investing at the Pre-Seed, Seed, Series A, Series B+ stages. This specialization allows for deep domain knowledge and strong network effects that benefit portfolio companies.
Notable investments in Stephen's portfolio include Toast. These companies reflect a pattern of backing high-potential startups across their focus sectors.
Stephen Marcus is a Co-Founder and General Partner, Riot Ventures at Riot Ventures, based in Boston, MA. Their investment focus includes Deeptech, AI, Robotics.
Stephen Marcus focuses on investments in Deeptech, AI, Robotics, Aerospace & Defense, Space through Riot Ventures. These focus areas reflect their domain expertise and the types of startups they actively seek to back.
Stephen Marcus's notable portfolio investments include Toast. These companies span multiple sectors and stages, reflecting a track record of identifying high-potential startups.
Stephen Marcus is currently at Riot Ventures, headquartered in Boston, MA, serving as Co-Founder and General Partner, Riot Ventures.