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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. | 