General Info
William Tai is a prolific individual investor and entrepreneur with a focus on Medical Device and Medical Technologies investments. He has a diverse portfolio of investments that includes companies like Blaze, Tract, and Fairmatic. His investment considerations prioritize the potential for companies to become great as standalone entities rather than focusing on acquisitions. Mr. Tai has a track record of funding numerous start-ups since 1991, with over 23 IPOs from early-stage projects. He has had involvements in companies such as Blackbird Ventures, Canva, SafetyCulture, Zoom, and TweetDeck. His check sizes for investments vary based on the round and company, with recent investments like Blaze totaling $3.5 million in the Pre-Seed round. Bill Tai has a collaborative approach akin to an orchestra conductor, bringing together diverse strengths for impactful collaborations.
Location: San Francisco, CA
Country: United States of America
Industries:
Investment Regions:
Investment Stages: pre-seed, seed
Website: www.about.me/BillTai
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🤖 AI Activity Report
Status: very-active
AI Reasoning: Found a January 28, 2025 report showing Bill Tai participated in the $3.5M pre-seed round for Blaze (Blaze.tech). Counting from that investment date to November 1, 2025 is less than 6 months, so the investor is classified as very-active.
Angel activity thresholds:
Low Activity – Only known angel investments more than 12 months ago.
Active – Known angel investments between the last 12 and 6 months.
Very Active – Known angel investments in the last 6 months.
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