Executive Leadership Home Executive Leadership John Heller Chief Executive Officer Read More Steve Arnette Chief Operating Officer Read More Travis Johnson Chief Financial Officer Read More Jill Bruning Chief Technology Officer Read More Darren Burton Chief People Officer Read More Luis German Chief Information Officer Read More Sean Mullen Chief Growth Officer Read More Roela Santos Chief Marketing & Communications Officer Read More Michele St. Mary Chief Legal Officer and General Counsel Read More Business Group Presidents Dr. Karl Spinnenweber President, Mission Solutions Read More Jennifer Walsmith President, Intelligence & Cybersecurity Business Read More Mark Walter President, Engineering & Technology Read More Mark Whitney President, Energy & Environment Read More Karina Vollmer Chief Ethics & Compliance Officer Read More Nathan Rutledge SVP & Head of Investor Relations Read More Adam Harrison SVP, Strategy & Corporate Development Read More