From 2008 to the present, I’ve been an active angel investor in the following companies, both on my own and through J-Angels, The Angels Forum and TiE, where I’m a charter member. Here is a list of some of my investments:

  • Hands-On Video Relay Services, sold to Purple Communications for $70 million for an 8X return
  • Filtrbox, sold to Jive Software, which subsequently went public, generating a 6X return
  • RadiumOne, a real-time advertising platform
  • PM Pediatrics, a “do well by doing good” startup in the pediatric urgent care market
  • Proxio, which provides a LinkedIn-type service for the international real estate market
  • Ensighten, a leading supplier of enterprise SaaS tag-management solutions
  • Bell Biosystems, a transformative synthetic biology company that enables the science of “programming” at the cellular level
  • RenovoRx, a medical devices company that is developing solutions for the targeted delivery of drugs to vascular organs
  • Bolt Threads, a synthetic biology company that produces natural fibers (e.g. silk) for the global textiles market
  • Glue Networks, which offers a suite of intelligent cloud-based networking solutions for WANs
  • Alibaba, China’s largest e-commerce company
  • Uber, the world’s largest mobile-app based transportation network
  • Broadly, which provides SaaS-based automated marketing for local SMBs that builds online reviews and SEO, helping drive new customers
  • Admitsee, an online marketplace connecting high school and college students that is democratizing the college admission/application process
  • Superstar Games, a new entertainment software/media company founded by Joe Montana
  • Catawiki, Europe’s fastest growing online specialty auction site
  • Cerium Pharmaceuticals, which is exclusively dedicated to developing medicines for patients with unmet needs
  • Spotify, the world’s largest on-demand music service
  • Duo Security, a cloud-based access security provider