Michael O'Brien

Síol Venture Capital thesis

top of page Home More Use tab to navigate through the menu items. Síol - (noun) /SHEE - ul/ Definition: From the Old Irish sil meaning seed ​ ​ We wanted a name that would keep the early-stage founders building at the intersection of leading-edge policy and disruptive technology as Síol’s North Star. ​ Síol invests in pre-seed companies operating in heavily regulated industries — where policy, markets, and technology collide. We believe the greatest opportunities emerge before regulatory clarity, when markets are still misunderstood and conviction matters most. ​ We back founders who win when

Sector and stage focus

• general: DefenseTech, Investors who invested in diverse founders, Investors who were founders, Investors who invested in female founders, DefenseTech, Washington, D.C., DefenseTech, DefenseTech
• Pre-seed: Entertainment & Sports, Web3/Blockchain, DeepTech, Future of Work, EnergyTech, GovTech, Smart Cities/UrbanTech, AgTech, ClimateTech/CleanTech
• Seed: EnergyTech, GovTech, Entertainment & Sports, AgTech, DeepTech, Web3/Blockchain, Future of Work, ClimateTech/CleanTech, Smart Cities/UrbanTech

Is Michael O'Brien a fit for your round?

Upload your pitch deck and see whether Michael O'Brien appears in your top 20 matches.