Sigma-Aldrich's board of directors elected Avi Nash as a director, the company said last week.
Nash currently heads a management consulting firm, Avi Nash LLC, launched in 2003. Prior to this, he was a partner at Goldman Sachs. He has worked at Booz, Allen & Hamilton and UOP.
The board also appointed Jai Nagarkatti, president and chief operating officer of the company since 2004, as president and chief executive officer to replace outgoing CEO David Harvey, who will remain chairman of the board.
Also elected to the board, Nagarkatti's appointment takes effect on Jan. 1, 2006.
Nagarkatti has been with Sigma-Aldrich for 29 years in R&D, production, operations and sales and marketing. He has a Master's degree in chemistry from Osmania University in Hyderabad, India, and a Ph.D. in organic chemistry from Texas A&M University.
Pathologist Scott W. Binder has joined CombiMatrix's wholly owned subsidiary, CombiMatrix Molecular Diagnostics, as a member of its Scientific Advisory Board, Acacia Research said earlier this week.
A professor of clinical pathology and dermatology, chief of dermatopathology, and director of pathology outreach services at the David Geffen School of Medicine at UCLA, he is the founder and director of a dermatopathology fellowship training program in California.
Binder received his B.A. and M.D. from the University of Chicago Medical School, completed his residency at the Department of Pathology and Laboratory Medicine at UCLA, and was a fellow with at the Scripps Clinic and Research Institute in La Jolla, CA. He completed a preceptorship at New York University.