Ron Zwanziger has been a director since November 2006.

Mr. Zwanziger has served as Chairman and Chief Executive Officer of Inverness Medical Innovations, Inc. since 2001. From 1992 to 2001, he served in the same capacity at Inverness Medical Technology, Inc., a consumer–focused company he founded that developed proprietary technologies and manufacturing processes. From 1981 to 1991, Mr. Zwanziger was Chairman, CEO and Founder of Medisense, Inc. Mr. Zwanziger received his undergraduate degree from Imperial College and an MBA from the Harvard Business School.