Board of Directors


		Lou Centofanti Chairman Dr. Centofanti has served as Chairman of the Board since he joined the Company in February 1991. Dr. Centofanti also served as President and Chief Executive Officer of the Company from February 1991 until September 1995 and again in March 1996 was elected to serve as President and Chief Executive Officer of the Company. From 1985 until joining the Company, Dr. Centofanti served as Senior Vice President of USPCI, Inc., a large hazardous waste management company, where he was responsible for managing the treatment, reclamation and technical groups within USPCI. In 1981 he founded PPM, Inc., a hazardous waste management company specializing in the treatment of PCB contaminated oils, which was subsequently sold to USPCI. From 1978 to 1981, Dr. Centofanti served as Regional Administrator of the U.S. Department of Energy for the southeastern region of the United States. Dr. Centofanti has a Ph.D. and a M.S. in Chemistry from the University of Michigan, and a B.S. in Chemistry from Youngstown State University.

		Larry Shelton Director Mr. Shelton has served as a Director since July 2006, as a result of Mr. Alfred Warrington’s retirement from the Board. Mr. Shelton is currently Chief Financial Officer of S K Hart Management, LC, an investment holding company. He has held this position since 1999. Mr. Shelton was Chief Financial Officer of Envirocare of Utah, Inc., a waste management company from 1995 until 1999. Mr. Shelton serves on the Board of Directors of Subsurface Technologies, Inc., and Pony Express Land Development Inc. Mr. Shelton has a B.A. in accounting from the University of Oklahoma.

		Joe R. Reeder Director Director since April 2003, Mr. Reeder since April 1999 has been Shareholder in Charge of the Mid-Atlantic Region for Greenberg Traurig LLP, one of the nation's largest law firms, with 29 offices and over 1700 attorneys, worldwide. His clientele has included sovereign nations, international corporations, and law firms throughout the U.S. As the 14th Undersecretary of the U.S. Army (1993-97), Mr. Reeder also served for three years as Chairman of the Panama Canal Commission's Board of Directors, overseeing a multibillion-dollar infrastructure program. He sits on the Board of Governors of the National Defense Industry Association (NDIA), the Armed Services YMCA, the USO, and many other corporate and charitable organizations, and is a frequent television commentator on legal and national security issues. A graduate of West Point who served in the 82nd Airborne Division following Ranger School, Mr. Reeder also has a J.D. from the University of Texas and an L.L.M. from Georgetown University.

		Mark Zwecker Director Mark Zwecker has served as a Director since the Company's inception in January 1991. Mr. Zwecker has recently assumed the position of Director of Finance for Communications Security and Compliance Technologies, Inc., a software company developing security products for the mobile workforce and serves as an advisor to Plum Combustion, Inc., an engineering and manufacturing company developing high performance combustion technology. Mr. Zwecker served as president of ACI Technology, LLC, from 1997 until 2006, and was vice president of finance and administration for American Combustion, Inc., from 1986 until 1998. In 1983, Mr. Zwecker participated as a founder with Dr. Centofanti in the start up of PPM, Inc. He remained with PPM, Inc. until its acquisition in 1985 by USPCI. Mr. Zwecker has a B.S. in Industrial and Systems Engineering from the Georgia Institute of Technology and an M.B.A. from Harvard University.

		Jack Lahav Director Jack Lahav has served as a Director since September 2001. Mr. Lahav is a private investor, specializing in launching and growing businesses. Mr. Lahav devotes much of his time to charitable activities, serving as president, as well as, board member of several charities. Previously, Mr. Lahav founded Remarkable Products Inc. and served as its president from 1980 to 1993. Mr. Lahav was also co-founder of Lamar Signal Processing, Inc.; president of Advanced Technologies, Inc., a robotics company and director of Vocaltech Communications, Inc. Mr. Lahav served as Chairman of Quigo Technologies from 2001 to 2004 and is currently serving as Chairman of Phoenix Audio Technologies and Doclix Inc.

		Dr. Charles E. Young Director Dr. Charles E. Young has served as a Director since July 2003. Dr. Young was president of the University of Florida, a position he held from November 1999 to January 2004. Dr. Young also served as chancellor of the University of California at Los Angeles (UCLA) for 29 years until his retirement in 1997. Dr. Young was formerly the chairman of the Association of American Universities and served on numerous commissions including the American Council on Education, the National Association of State Universities and Land-Grant Colleges, and the Business-Higher Education Forum. Dr. Young serves on the board of directors of I-MARK, Inc., a software and professional services company and AAFL Enterprises, a sports development Company. He previously served on the board of directors of Intel Corp., Nicholas-Applegate Growth Equity Fund, Inc., Fiberspace, Inc., and Student Advantage, Inc. Dr. Young has a Ph.D. and M.A. in political science from UCLA and a B.A. from the University of California at Riverside.

		Jon Colin Director Mr. Colin has served as a Director since December 1996. Mr. Colin is currently Chief Executive Officer of LifeStar Response Corporation, a position he has held since April 2002. Mr. Colin served as Chief Operating Officer of LifeStar Response Corporation from October 2000 to April 2002, and a consultant for LifeStar Response Corporation from September 1997 to October 2000. From 1990 to 1996, Mr. Colin served as President and Chief Executive Officer for Environmental Services of America, Inc., a publicly traded environmental services company. Mr. Colin is also a Director at LifeStar Response Corporation and Bamnet Inc. Mr. Colin has a B.S. in Accounting from the University of Maryland.