Dennis Defensor is the vice president of Sales, Marketing and Channel at PESA. Dennis has more than 25 years of cross-functional executive management experience as senior vice president of Global Sales at CloudShield/SAIC, group president at Akima, senior vice president of the Oracle Division at  DLT Solutions, vice president of Marketing Communications & Web Commerce at GTSI, president & CEO of ICOM (sold to Viacom), president & CEO at TerraGlyph Interactive and vice president of Bids & Proposals at Falcon Microsystems.

Dennis earned a B.S. in biology from Beloit College and a J.D. degree from the Catholic University of America, Columbus School of Law.