Ralph S. Sheridan has been our Chief Executive Officer and Secretary and a Director since August 2005. Mr. Sheridan is a frequent spokesman on technology solutions to complex security problems with particular emphasis on cargo crime and cross border trade, detection of nuclear materials and cyber threats to process control systems. Since June 2003, Mr. Sheridan has been the Managing Partner of Value Management LLC, which provides technology start-up assistance, realignment and business development advisory services. From 1993 to May 2003, Mr. Sheridan was the President and Chief Executive Officer of American Science & Engineering, Inc., a Nasdaq listed company that provides X-ray detection equipment and contract technology development for the detection of explosives, drugs, weapons and illegal immigrants, as well as manifest verification for cargo. From 1990 to 1993, Mr. Sheridan served as the President of Value Management Corp., a consulting and investment banking firm founded by Mr. Sheridan which focused on turnarounds of technology businesses. From 1987 to 1989, Mr. Sheridan was President and Chief Executive Officer of HEC Energy Corp., an energy services company. Prior to that, from 1981 to 1986, Mr. Sheridan held positions in business development and international operation at Combustion Engineering, Inc., an engineering services and systems company, including Vice President of Operations from 1984 to 1986 for the Engineered Systems and Controls Group that he built from four acquisitions. From 1976 to 1981, Mr. Sheridan held positions in business development and international operations at Continental Group, a diversified packaging, financial services and gas pipeline company. From 1974 to 1976, Mr. Sheridan held positions at W.R. Grace, a specialty chemicals and materials company. He currently serves on the Board of Ion Signature Technologies, a private company focused on advanced data analysis software for analytical instrumentation, and the Advisory Board of Allegent Technology Group, a private company developing enterprise security management software. Mr. Sheridan received a B.S. in Chemistry and an M.B.A. from Ohio State University.

John C. (Jack) Mallon has been a member of our Board of Directors since August 2005. Since 1995, Mr. Mallon has been the Senior Managing Director of Mallon Associates (formerly a division of C.E. Unterberg, Towbin), an investment bank exclusively serving the global security industry. Mr. Mallon also publishes Mallon’s Security Report, a quarterly financial newsletter reporting on trends in the industry and tracking public companies (engaged in security) on stock exchanges around the world. He is also a co-sponsor of the Barnes, Buchanan & Mallon Security Conference, an industry conference held annually for the past ten years in Palm Beach, Florida. From 1970 to 1991, he was co-founder, President and Vice Chairman of IBI Security Services, Inc., a former public company engaged in alarm, guard and armored carrier services. He is currently Chairman of IBI Armored Services, a private company that provides armored carrier, high value shipping and money processing services. Prior to earning a law degree and entering the security industry, he was a police and investigative reporter, and later labor editor, for the New York Daily News. Mr. Mallon received his B.S. from Columbia University and an L.L.B. from St. John’s University School of Law.

Michael S. Greenberg, 39, joined our board of directors in June 2008. Since August 2004, Mr. Greenberg has been employed by HCFP/Brenner Securities, LLC, currently holding the position of Managing Director in the Investment Banking Division. From 2000 to February 2004, Mr. Greenberg was a Vice President in the Capital Markets Origination Group at Dresdner Kleinwort Wasserstein. Prior to that position, Mr. Greenberg worked in Corporate Banking at Scotia Capital. Mr. Greenberg received a B.S. Degree in Finance from the University of Florida in 1991 and M.B.A. in Finance and Corporate Accounting from the William E. Simon Graduate School of Business Administration at the University of Rochester in 1996. Mr. Greenberg holds the Chartered Financial Analyst designation.