Peter Barrett is the founder, general partner, and CTO of Playground Global. See sector focus and contact routes.
Peter Barrett is the founder, general partner, and CTO of Playground Global, a deep-tech venture firm based in the San Francisco Bay Area, where he previously served as a lead engineer at Microsoft and co-founded Rocket Science Games, hiring Elon Musk for his first Silicon Valley job. His investment thesis targets transformative technology startups in sectors including artificial intelligence, next-generation computing, robotics, and quantum technologies, with a global focus that includes significant activity in Australia. Playground Global typically leads early-stage investments, such as its series A lead in PsiQuantum in 2016, and manages approximately $1.8 billion in assets dedicated to rich tech. Notable portfolio companies include Agility Robotics, PsiQuantum, and Lighthouse AI, with over 20% of the firm’s portfolio achieving unicorn valuations. Barrett distinguishes his approach by emphasizing that partners must understand the underlying physics of what they fund, avoiding “stupid” sectors to focus on hardware and deep science. He holds more than 100 patents and has publicly stated, “We don’t guess,” reflecting his data-driven, enginee
StartupFundraising tracks this investor record from SEC filings and announced rounds, updating focus, location and portfolio history as new data lands. Use it to gauge fit before an outreach, then widen the search to investors in San Francisco Bay Area.
Investors like Peter Barrett · Full investor directory · Investor access · Company funding database