He is the founder of GreenfieldTech, a company with focus on open source telephony. As an open source integration expert and evangelist, Nir Simionovich has delivered memorable conference speeches and participated in panels in many parts of the world. These include North America, Central Europe, Eastern Europe, the Far East, Africa and, of course, Israel – where Nir is Based. He is a professional Asterisk application and platforms developer with a flare for platform development in various fields. Since 2012, Nir had been closely involved in the adaptation of WebRTC to mobile devices.