Senior Management

Dr. Bill McGann
Chief Executive Officer
Dr. McGann, one of the original developers of commercial ion mobility spectrometry technology for explosives trace detection (ETD), joined Implant Sciences in April, 2012. He has authored over 70 research proposals to the U.S. Government, 20-plus scientific publications, and over 25 patents in the areas of nuclear, chemical and biological detection technologies. He played a key role in creating an industry around ETD science and technology at Ion Track Instruments, which was acquired by General Electric. After the acquisition, Dr. McGann served as Vice-President, R&D at GE Ion Track and went on to become Chief Technology Officer of GE Security. Immediately prior to joining Implant Sciences, he was VP Engineering for Global Fire Products and United Technologies.

Roger P. Deschenes
Chief Financial Officer
Roger Deschenes joined the Company in June 2008 as Controller and was promoted to Vice President, Finance in January, 2009. In July, 2010, he was named Chief Financial Officer. Mr. Deschenes has more than 25 years of accounting and financial leadership experience with publicly traded and private companies. Prior to joining the Company, he served as Vice President, Finance with Beacon Roofing Supply, Inc. a leading supplier of roofing material and related products in North America. From 1990 to 2006 Mr. Deschenes served in several senior accounting and financial capacities at Saucony, Inc., including: Vice President, Controller, Chief Accounting Officer and Assistant Treasurer. Prior to that, he was employed at Allen-Bradley Company, a subsidiary of Rockwell International, Corp., from 1987 to 1990 as Financial and Cost Reporting Supervisor. Mr. Deschenes began his career as the Controller of Thomson Garden Center upon graduation with a BS in Business Administration from Salem State University. Mr. Deschenes is a Certified Management Accountant.

Dr. Darryl Jones
Vice President, Global Sales and Marketing
Joining Implant Sciences in May, 2012, Dr. Jones brings significant homeland security industry experience to the Company's sales and marketing efforts. He was previously Vice President of Global Product Management at Safran's Morpho Detection, where he managed one of the largest ETD and EDS product portfolios in the industry, and helped launch the X-ray and Raman spectroscopy product lines. Prior to GE Security's sale to Safran, Dr. Jones was General Manager of Global Security Sales at GE Security, where he recruited and developed a global sales team focused on six key markets and achieved year-over-year top line growth. During his three year tenure as sales leader, Dr. Jones nearly tripled the revenue in the non-aviation markets. Previously, he was Global Business Manager at GE Healthcare, and a Senior Product Manager at Corning, Inc./Photonic Technologies. Dr. Jones has been issued a patent, authored six papers in scientific publications, and delivered nine conference presentations. He received his PhD in Optical Science and Engineering from the University of Alabama, and a Masters of Arts and Bachelor of Arts in Physics from Fisk University.

Todd Silvestri
Vice President, Technology
Todd Silvestri joined Implant Sciences in 2008 and is directly responsible for the design and commercialization of its advanced explosive trace detection solutions. Previously, Mr. Silvestri was Senior Vice President of Century Capital Partners, assisting his clients in defining optimal exiting strategies, securing capital, and expanding into foreign markets. Prior to that, he led New Product Development for Environmental Systems Products (ESP), where he was responsible for expanding the company’s traditional business-to-government services into new frontiers by commercializing products and services for private business clients and consumers. In 2003, Mr. Silvestri founded APAC Global LLC providing expert consulting in the areas of Company Establishment, Localization/Relocation of Operations, Supply Chain Management, and Organizational Design primarily focused with small to medium sized companies expanding to, or within, the Asia Pacific Region. Mr. Silvestri holds a Masters Degree in Business from the Kellogg School of Management at Northwestern University, as well as a BS in Chemical Engineering from Clarkson University.

Brenda Baron
Vice President, Manufacturing Operations
Joining Implant Sciences in 2004, Ms. Baron developed the Security Division's manufacturing operations, quickly establishing a supply chain organization, as well as manufacturing, test, and documentation control. Her previous position as Configuration Manager at GE Ion Track – where she played a key role in bringing handheld, bench top, and portal trace detectors into production – provided her with extensive experience in trace detection products, technology, system configurations, and customer requirements. This experience allowed for a very quick start-up of the Security Division Operations at Implant Sciences and enabled the company to ramp production to meet the increase in demand of the QS-H100 Handheld Explosives Trace Detector, successfully shipping over 200 systems in the first full year of production. Ms Baron also led the release of the QS-H150 into production, where she engaged Columbia Tech as the contract manufacturer, overseeing technical transfer and training for a smooth transition into total turnkey manufacturing.  She continues to bring new products into manufacturing, drive cost reductions, and maintain excellent supply chain relationships.