Adi Sideman

Co-founder, Props PBC

Board Member

Adi Sideman is is Props Co-founder and a member of the Props Foundation Public Benefit Corporation Board. Adi is a pioneer in participatory media, an entrepreneur with more than 20 years of experience creating media apps and companies.



Prior to Props, Adi founded YouNow to provide a live social platform for people to connect, interact, and express themselves.YouNow grew to be a global social network with more than 50 million registered users and over 120 million user sessions per month.YouNow was a finalist for TechCrunch’s Fastest Rising Startup of 2015 Awards.



As a developer, Adi produced the first - ever animated ads on AOL and created more than 30 online games for major - studio franchises, including the Matrix Game for the famed Warner Brothers Movie. In 1999, he founded the interactive media technology firm Oddcast, which continues to develop interactive media apps such as "Elf Yourself". In 2005 Adi co - founded KSolo, the first online karaoke service(acquired by Fox Interactive / MySpace) and, in 2006, Adi co - founded audio ad network TargetSpot, a joint venture with CBS(acquired by Radionomy).