Dennis Reilly

Vice President, Public Sector


Dennis Reilly has been a Vice President at Gigamon for over eight years, leading the group to 43% compounded annual growth and a 58% market share in the network visibility and analytics space. With over 30 years of technology and business experience, Mr. Reilly is a strong advocate for the Federal, State and local governments and educational institutions applying information technology to strengthen security and improve innovation and productivity. He has supported government agencies in Continuous Diagnostics and Mitigation (CDM) program initiatives and implementations for 7 years.

Prior to joining Gigamon, Dennis held sales leadership positions at companies such as Oracle, Netscape, BEA, and Plumtree Software. Earlier in his career, Mr. Reilly served as an officer in the U.S. Navy and earned his Bachelor’s degree at the United States Naval Academy and has a Master’s degree in business from Boston University.

Dennis resides in northern Virginia with his wife and has four adult children.