Investment Stage

Focus Areas

About Investor

Michael O'Brien serves as Managing Partner at Síol Venture Capital, focusing on investments in DefenseTech, entertainment & sports, EnergyTech, GovTech, Web3/Blockchain, DeepTech, AgTech, future of work, smart cities/urbanTech, and ClimateTech/CleanTech across pre-seed and seed stages with investment ranges between $150K and $500K. His professional background includes experience as a startup investor, advisor, and advocate with government relations expertise, having founded Síol Venture Capital out of MOB Advocacy, a government relations firm focused on startups and early-stage tech. O'Brien brings unique expertise in navigating heavily regulated industries and combines early-stage capital with public affairs expertise to help startups grow in the Washington, D.C. area.