Jonathan Rosenberg (born 1972/1973) is a technologist noted for his work in IP communications. Network World has referred to him as "a pioneer [in] the development of the SIP protocol", and he was included in the 2002 TR35 list of the world's top under-35 innovators, as published by MIT Technology Review. As of January 2019, Rosenberg is the chief technology officer and at , a cloud contact center provider. Prior to this, he was vice president and chief technology officer for Collaboration at Cisco, having previously worked as Skype's chief technology strategist.