Robert Fleming, a co-founder and general partner of Prism Venture Partners, has been appointed chairman of the board of directors at Prism portfolio company SiGe Semiconductor Inc..

Jan Bouten joined The Aurora Funds as an associate. Bouten joins the Research Triangle Park-based venture firm after earning his MBA from The Fuqua School of Business at Duke University.

Donald Hawthorne was named president and CEO of Ardais Corp., a Lexington, Mass.-based clinical genomics company. Since 1999, Hawthorne has been a contract operating partner to the health-care venture capital community, providing general management and strategic advisory services. Formerly, he was a partner and CFO at Ampersand Ventures.

Kevin Waldman was promoted to managing director of VSS Private Equity, the private equity arm of media merchant bank Veronis Suhler Stevenson. He joined the group in 1996 as a director, after a stint with J.P. Morgan.