Mr. McCarthy served as a director of the Company since April 2005. He currently serves as the Company’s Chief Executive Officer. Mr. McCarthy also currently serves as the Chairman and Chief Executive Officer of Gemini Consulting Group, Inc., a consulting firm, a position he has held since its inception in 1991. Prior to forming Gemini, Mr. McCarthy was the Executive Vice President of First Health Associates, Inc., a Chicago-based health care consulting company from 1984 until 1991. He has also held positions as Vice President and General Manager of a medical device manufacturing company in the Chicago area, and spent five years in increasingly responsible planning positions with the Medical Products Division of 3M Company. Mr. McCarthy is a member of various state and national organizations, including the American Health Lawyers Association and the National Strategy Forum. Mr. McCarthy also serves on the National Advisory Council of the Keller Graduate School of Management, Chicago, Illinois. He is a member of the Board of Directors of Hinsdale Bank & Trust Company, Hinsdale, Illinois; Wintrust Financial Corporation, Lake Forest, Illinois; Sirigen Corporation, Santa Barbara, California; and International Medical Enterprises, LLC, Nashville, Tennessee.

Dr. Cappello has served as Protein Polymer Technologies’ Vice President for Research and Development, Chief Technical Officer, and Director, Polymer Research since 1997, and as Senior Research Director-Protein Engineering since September 1988. From 1985 to 1988, Dr. Cappello was Research Director, Molecular Design and Analysis at Syntro, where he directed efforts in molecular modeling and design of protein polymers. He is a co-inventor of the Company's protein polymer technology. From 1982 to 1985, Dr. Cappello was an American Cancer Society Fellow at the Whitehead Institute for Biomedical Research, Massachusetts Institute of Technology, where he developed systems for bacterial and yeast expression of foreign genes and conducted postdoctoral research on the genetic characterization of cellular differentiation. Dr. Cappello holds a B.S. in Genetics from the University of California at Davis, and a Ph.D. in Biological Chemistry from the University of Cincinnati College of Medicine.

Dr. Ferrari has served as Protein Polymer Technologies’ Vice President for Laboratory Operations and Polymer Production since 1997, and as the Company's Senior Research Director-Genetic Engineering since 1988. Dr. Ferrari was previously the Research Director, Polymer Expression at Syntro from 1983 to 1988, where he was responsible for demonstrating technical feasibility of the protein polymer project under a grant awarded by the Office of Naval Research. He is a co-inventor of the Company's protein polymer technology. From 1980 to 1983, Dr. Ferrari was a postdoctoral research fellow at the Scripps Clinic and Research Foundation, where he worked on the development of novel plasmid DNA vectors for the introduction and expression of foreign genes in Bacillus. Prior to that, Dr. Ferrari was an Assistant Professor in the Department of Pediatrics at the University of Pavia, Italy. He received his Ph.D., cum laude, from the Institute of Genetics at the University of Pavia, Italy.