Carol Olsen has joined Apax Partners as a venture partner focused on health care investments. Olsen most recently served as chief commercial officer of Aviron, which was sold to MedImmune Inc.

Dan Beldy has left Hummer Winblad Venture Partners, where he had served as a general partner.

Wayne Wen-Tsui Tsou has joined The Carlyle Group as managing director, leading venture investments in the Asia-Pacific region. Tsou comes to Carlyle from Warburg Pincus, where he was managing director and head of Asian technology investments since 1998.

Peter Shagory has joined Baird Venture Partners as a principal in the firmís Chicago office. There, he will scout investments in the health care and life sciences sectors, focusing especially on biotech and medical device companies. Prior to Baird, Shagory was at Vector Fund Management in Chicago.

Michael Berk has been named a principal with TA Associates, where he will focus on leveraged buyouts and recaps of growth companies in the consumer, financial services and business services sectors. Berk comes to TA Associates from JLL Partners, where he served as a senior vice president.

Joe Anderson has joined Abingworth Managementís investment team in London as a manager. There he will scout new development-stage bioscience and pharmaceutical opportunities. Anderson was previously with First State Investments, part of the Commonwealth Bank of Australia.

Jim Orlando has joined BCE Capital as a managing director focused on the telecom and IT sectors. He most recently served as a principal with Battery Ventures.

Jan zur Hausen has joined DVC Deutsche Venture Capital as a partner. He had previously been an investor with Mulligan BioCapital.

Rob Stavis has been promoted to the position of general partner at Bessemer Venture Partners. He originally joined the firmís Larchmont, N.Y., office three years ago as a venture partner.

Johan Brenner has joined Benchmark Capital Europe as a general partner. Brenner previously served as founder and chairman of TIME Vision.