Jan Koum
High Net Worth Investor
Santa Clara, California
Jan Koum, High Net Worth Investor is an active investor based in Santa Clara, California. This profile covers what Jan Koum backs, at which stage, and how founders can reach out in 2026.
Mr. Jan Koum is a high net worth investor based in Santa Clara, California. The Ukrainian-American internet entrepreneur and computer programmer is the co-founder of WhatApp and serves as its chief executive officer. He serves on the board of Facebook. Koum previously worked at Yahoo as a security and infrastructure engineer for nine years.
- Investor type
- Angel
- Stages
- Early Stage Venture
- Location
- Santa Clara, California
- Typical check
- $500K
- Past investments
- 1
Notable investments
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