Gadi Tamari  joined Radvision as CEO in early 2001. Prior to Radvision, he was with Lucent Technologies where he has served as VP international operations of the OpenNet Softswitch organization. Prior to that, Gadi was COO of Excel Switching Corporation responsible for international sales, operations, marketing and customer support. In addition he worked with other Israeli technology companies such as Axiom Technologies, Lan-Tel, Scitex America as VP customer support, and at Tadiran.
Radvision Ltd (NasdaqNM:RVSN) is a provider of products and technology for real-time voice, video, and data communications over packet networks; this includes the Internet and other Internet Protocol (IP) based networks. Radvision is located in Tel Aviv Israel and in Mahwah, NJ.