Mr. Frederick W. Gluck has served as a director of the Company since February 1998. He is currently the Chairman of the Board and Chief Executive Officer of CytomX, LLC., a developer of cell sorting products. Mr. Gluck is a former managing partner of McKinsey & Company, Inc., an international management consulting firm. From 1967 to 1995, he served with McKinsey and from 1988 to 1994 he led the firm as its Managing Director, when he retired to join Bechtel Group, Inc., an engineering, construction and project management company, where he served as Vice Chairman and Director. Mr. Gluck retired from Bechtel in July 1998. He rejoined McKinsey as a consultant in 1998 and continued in that role until July 2003, when he retired.