Partech International, the technology venture capital firm with offices in Paris and San Francisco, has hired Ami Amir as a venture partner focusing on communications investment in Israel.

In 1993, Amir founded Radvision, the voice and multimedia applications firm, and he was the company's chief executive. He managed the firm from start-up to its initial public offering in 2000, when it made revenues of over $45m (€51m).