01 Advisors Employee Directory
Venture Capital and Private Equity PrincipalsCalifornia, United States11-50 Employees
01 Advisors is a San Francisco-based venture capital and private equity firm with 11-50 employees and a website at https://01a.com. It focuses on early-stage investments, primarily Series A and B after product-market fit, with typical check sizes of $10 million to $20 million to support scaling and go-to-market initiatives. The firm emphasizes an operator-led approach, drawing on leadership experience from roles at Twitter and Facebook to aid growth-focused companies. Its portfolio activity includes investments in Fractile Ltd (Series B, 2026), Crosby Legal (Series B, 2026), Observe.AI (Series A, 2026), and BrightHire (Series B, 2021). Revenue for the firm is reported in the range of $10 million to $25 million.