As the chief executive officer for Amentum, John Heller s responsibilities include planning and directing the strategy and execution of the operating activities for all 50,000 employees in approximately 80 countries around the world. Prior to the Amentum-Jacobs Critical Mission Solutions business merger, Mr. Heller was the chief executive officer of the legacy Amentum company since 2022, where he led the company s integration of two multi-billion dollar acquisitions. Under his leadership, Amentum transformed into an industry-leading provider of engineering, system integration, and project management services to the U.S. government and partners. Before his role at Amentum, Mr. Heller served as chief executive officer and president at PAE from 2013 to 2021. Prior to that, he served as senior vice president and chief operating officer of Engility Corporation after the company was spun off from L-3 Communications from 2012 to 2013. He also held several leadership positions at Harris Corporation from 2007 to 2012, including president of Harris IT Services, served as CEO of Netco, Inc., a Cerberus Capital Management portfolio company from 2004 to 2006, and held the president and chief operating officer role at Multimax, Inc. from 2006 to 2007. Mr. Heller started his career in the U.S. Army serving in various leadership positions as a logistics officer. He then attended graduate business school and joined Deloitte Consulting. Following a decade in the consulting field, Mr. Heller attained his first CEO position at Rentport, Inc., a portfolio company of Catterton Partners (now L Catterton), a venture capital and private equity firm. Mr. Heller graduated from the U.S. Military Academy at West Point and earned a master s degree in business administration from the University of Pittsburgh. Today he serves on their Chancellor s Global Advisory Council. In recognition of his achievements and contributions in the field of business, Mr. Heller was also named the university s Katz Graduate School Distinguished Alumni Honoree. As part of his support to the government services industry, Mr. Heller also serves as the Vice-chair for the Professional Services Council board of directors and executive committee. Mr. Heller is a well-recognized leader in the government contracting industry, being awarded 2024 CEO of the Year by WashingtonExec and 2024 ACG CEO of the Year; he has been in the Washington100 list of top executives multiple times over his career. Specific qualifications, experience, skills, and expertise include: Operating and management experience, including as the CEO of public and privately owned companies; Core business skills, including financial and strategic planning; and Deep understanding of our Company, its history, and culture.