Preface Ventures
Investing activity
Preface Ventures appears in 2 AI deals tracked by the Lounge deals desk, and led 1 of them. The rounds are mostly Seed, with a median round size of $6M. The most recent are Clario (Seed, $6M, Jun 2026) and ContextQA (Seed, $6.2M, Apr 2026).
Preface Ventures most often invests alongside Golden Sparrow Ventures, Michael Callahan, HighSage Ventures and Baris Aksoy, and the companies it backs on Lounge are mostly in AI.
Deals
Frequently asked questions about Preface Ventures
What AI companies has Preface Ventures invested in?
Preface Ventures's AI investments include Clario and ContextQA. The 2 rounds on Lounge are listed on this page with amounts, dates and co-investors.
What stage does Preface Ventures invest at?
In the rounds tracked on Lounge, Preface Ventures has invested at Seed, with a median round of $6M. Preface Ventures led 1 of those rounds.
Who does Preface Ventures co-invest with?
Preface Ventures's most frequent co-investors on Lounge are Golden Sparrow Ventures (1 deal), Michael Callahan (1 deal), HighSage Ventures (1 deal), Baris Aksoy (1 deal) and Moment Ventures (1 deal).
How can founders reach Preface Ventures?
Founders on Lounge can see Preface Ventures's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with the firm under Warm Paths, and add Preface Ventures to their Investor Pipeline to track the conversation.