He is a member of Galata Business Angels, Turkey's first angel investment network. (monitise.com)
Even the more egregious miscalculations have turned out all right (such as the time the wire for our first angel investment reached our bank account exactly 19 minutes before our payroll withdrawal hit, just covering the difference). (inc.com)
Tonsing was the first angel investor in Sapho and also invests in Affirm, Docker, Color Genomics and many others. (techcrunch.com)