Jai Choi – Startup Investor Profile

Jai Choi is the Founding Partner at Tekton Ventures, a seed stage investment fund he founded in 2008. Tekton Ventures focuses on early stage innovation in technology companies, operating in sectors such as financial technology, e-commerce, mobile, and software. With a geographical preference for strategic regions like Silicon Valley, London, Israel, China, Korea, and India, Tekton Ventures has made investments in companies like Tripalink, Nowports, FretLink, Shohoz, MollyBox, Truebil, LemonBox, Wove, and TOTEM. Jai Choi typically invests in various sectors in Pre-seed, Seed, Series A, and Series B rounds, with an investment range of $100K to $1M, and a sweet spot of $500K. Jai Choi has a track record as an entrepreneur and seed investor with a focus on technology companies.

Location: San Francisco, CA

Country: Korea, Republic of

Investment Regions: EA, EU, NA, SEA

Investment Stages: pre-seed, seed

Website:

AI Reasoning: I found evidence of recent investment activity by Jai Choi/Tekton Ventures within the last 6 months: Tekton Ventures’ site and Tracxn show ongoing investments as of late 2025 and a team page updated Oct 30, 2024; portfolio entries indicate investments in 2025 (e.g., Nowports updates reported 2025). The most recent known investment is within the past 6 months, classifying as very-active.

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.