Timothy Chang – Startup Investor Profile

Timothy Chang serves as a Partner at Mayfield People First. He also serves as a Board Member at Tripp, He served as a Board Observer of 3DR. He is a Board Member of Tonal Systems. He serves as an Advisor at Primary. Zipongo, Mission Bio, and Grove Collaborative. He also served as a Board Member at Health Tap. He holds an MBA from the Stanford Graduate School of Business, where he was an Arjay Miller Scholar, an MS in Electrical Engineering/System Engineering, and a BS in Electrical Engineering from the University of Michigan. He served as Board Member at AllReach Media. He served as Advisor at BranchOut. He served as Board Member at Drop.

Location: Menlo Park, CA

Country: Korea, Republic of

Investment Regions:

Investment Stages: pre-seed, seed

Website:

AI Reasoning: Search found recent activity: Tim(othy) Chang is listed as Partner/Venture Partner at Mayfield People First with current investments including TRIPP and Tonal. TRIPP had funding/press in 2025 (company press and Mayfield announcements show involvement). TRIPP raised a $20M Series B in May 2025 with participation from Mayfield (publicly announced). This places his last known investment less than 6 months ago, so tag 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.