Francis M. DiNuzzo, President and CEO, joined the Company in February 2008 as Executive Vice President Marketing and Chief Commercial Officer. In June 2008 he became the interim CEO. SDI appointed Mr. DiNuzzo President and Chief Executive Officer in October 2008. Prior to joining SDI, Mr. DiNuzzo spent 26 years at Agilent Technologies / Hewlett Packard. He began his career in research and development in 1981 and advanced through a series of functional management roles over the next 18 years. In 1999, Mr. DiNuzzo became General Manager of Agilent’s Chemical Solutions Business Unit where he had global responsibility for analytical equipment, consumables and service products serving the chemical, environmental, food and forensics markets. In 2001, Mr. DiNuzzo became General Manager of the Consumable and Services Business Unit, with global responsibility for all consumables and services across all Life Science and Chemical Analysis markets. In 2004, Mr. DiNuzzo became Vice President and General Manager of the Integrated Biology Solutions unit, a role where he formed a biotechnology business focused on Genomics, Proteomics and BioInformatics. Mr. DiNuzzo holds B.S and M.S. degrees in Engineering with a minor in Business Administration from the University of New Hampshire.

Stanley Fronczkowski joined the Company in January 2007 as Vice President – Finance, Chief Financial Officer and Corporate Secretary. Prior to joining SDI, Mr. Fronczkowski spent 29 years with Keystone Foods. He began his career with Keystone in 1978, rising to the position Vice President, International Finance in 1988, and over the next 10 years, supported Keystone’s growth across multiple companies on four continents. In 1998, Mr. Fronczkowski became COO for Keystone Europe, Middle East and Africa with full responsibility for the operating results of this business group. Following Keystone’s reorganization to Strategic Business Units in Europe and North America, Mr. Fronczkowski assumed his most recent assignment as Keystone’s Vice President for Finance, Asia-Pacific. Mr. Fronczkowski is a graduate of the State University of New York at Cortland with a B.S in Political Science, the University of Delaware with a B.S. in Accounting, and Widener University with a M.S. in Finance and Taxation.

James W. Stave joined SDI in March 1991 as a research group leader. Subsequently, Dr. Stave was promoted to director of Research and Development. In October 1993, Dr. Stave was promoted to Vice President - Research and Development. Prior to joining SDI, Dr. Stave worked for DuPont, Molecular Genetics, Inc. and the U.S. Department of Agriculture. Dr. Stave received his Ph.D. in Microbiology from the University of Maryland and his B.S. in Biology from Michigan Technological University.

Deborah Day Barbara joined the Company in October 2008 as Vice President, Business Development. Ms. Barbara has over 20 years of experience in the areas of business development, licensing, intellectual property management, strategic planning and technology development. She was most recently Vice President of Business Development and Licensing for Ore Pharmaceuticals in Gaithersburg, Maryland. While at Ore Pharmaceuticals, Ms. Barbara led drug evaluation partnership negotiations with several prominent pharmaceutical companies, resulting in valuable business relationships and a pipeline of clinical stage drug candidates. Immediately prior to joining Ore Pharmaceuticals, Ms. Barbara was Senior Director of Business and Technology Development for Johns Hopkins University, where she was responsible for developing and negotiating numerous technology licensing, research collaboration and technology development agreements. She also spent 11 years at Amersham Life Sciences in a variety of sales leadership positions. Ms Barbara holds a MBA from Loyola College and a BA in Biochemistry and Molecular Biology from the University of Maryland.