Mr. Varner joined the ManTech Board of Directors in September 2022.

Mr. Varner is a consultant to The Carlyle Group and a consultant to the Intelligence and National Security communities. He served as president of ManTech’s Mission, Cyber & Intelligence Solutions Group (MCIS) from 2009 to 2017. In this role, he led an organization of 3,300 people supporting the Intelligence and Defense communities, including cyber security, computer network operations, forensics, insider threat, specialized systems engineering, operations and mission support, enterprise IT, and full-service security support.

Prior to joining ManTech, Mr. Varner was vice president of Intelligence Operations for Northrop Grumman TASC, where he led more than 1,000 employees in delivering innovative technical solutions and operations support to the Defense and Intelligence Communities. Previously, Mr. Varner was vice president of TASC’s Signal and Information Processing Group, with responsibility for hardware and software development and specialized systems engineering. Before joining TASC, Mr. Varner was with ESL, Inc., where he developed adaptive-speech and signal-processing systems and advanced simulations of complex National Security systems.

Mr. Varner is a member of the Applied Research Solutions Board of Directors, the ManTech Intelligence Sector Advisory Board and a strategic Advisor to P-11 Security. He served on the Board of the Virginia Tech Applied Research Corporation (VT-ARC), Novetta and Cornerstone Defense LLC. He is also a member (Emeritus) of the George Washington University National Engineering Advisory Council, and the Purdue University Engineering Advisory Board.

He is a former member of the Board of Directors and the Board of Advisors of the Intelligence and National Security Association (INSA) and a former member of the University of Maryland Cyber Think Tank. In 2011, Mr. Varner was inducted to the George Washington University School of Engineering Hall of Fame, and in 2016, he was awarded the Outstanding Electrical and Computer Engineer Award from Purdue University. He was elected to the Wash 100 in 2013 and 2017.

Mr. Varner received a Bachelor of Science degree in Electrical Engineering from The George Washington University, a Master’s of Science degree in Electrical Engineering from Purdue University and an MBA from Virginia Tech.