Yi-Jian Ngo – Startup Investor Profile

Yi-Jian Ngo is the Managing Director at Alliance of Angels, leading the deployment of $10M annually into seed stage startups. His successful investments include companies like Clarisonic, DocuSign, and Elemental Technologies. Yi-Jian is known for his expertise in making beneficial connections and providing support to entrepreneurs. His check sizes typically range from $250k-$500k, and he takes 30 new pitches per month, making around 20 new investments annually. He focuses on startups headquartered in the Pacific Northwest and works with entrepreneurs and angels in a highly coordinated manner.

Location: Seattle, Washington

Country: VNM

Investment Regions: EU, NA, OC

Investment Stages: pre-seed, seed

Website: https://www.allianceofangels.com/

AI Reasoning: I searched for Yi-Jian Ngo activity and found that he stepped down as leader of Alliance of Angels on June 1, 2024, but the group continued investing through 2025 with Alliance of Angels making an investment in 3DBioFibR on June 3, 2025; Alliance of Angels’ ongoing investments suggest Yi-Jian Ngo was associated with active deal flow including investments like 3DBioFibR and portfolio companies such as DocuSign. The most recent known investment connected to the group was June 3, 2025, which is less than 6 months before the reference date; therefore classify 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.