Ballhaus, 43, formerly served as president, CEO and as a director of DynCorp International.
He was previously president of BAE Systems‘ network systems, national security solutions and mission solutions businesses.
“We are very pleased to welcome Bill to SRA, where he will join a capable team to help lead the company into the next phase of its growth and development, ” said SRA founder and Chairman Dr. Ernst Volgenau.
“He shares our commitment to honesty and service, and he has an exceptional track record of leading government services providers similar to SRA. This is an exciting time for our company, and we all look forward to working with Bill as we pursue the significant opportunities ahead.”