Eron Wolf, he created Yahoo Games and then was a seed investor in whatsapp(as well as a programmer for a short period). I interviewed him here. https://www.youtube.com/watch?v=OJPmbcU-Vzo https://www.youtube.com/watch?v=5UHF84gyVWg

He also encouraged me to start the right to repair non-profit and donated $1,000,000 to it 3 years ago.