ManTech Goes Green
George J. Pedersen
George J. Pedersen is the chairman of the board, chief executive officer and co-founder of ManTech International Corporation. ManTech is one of the leading providers of innovative technologies and solutions for mission-critical national security programs for the intelligence community; the departments of Defense, State, Homeland Security and Justice; the National Oceanic and Atmospheric Administration; the space community; and other U.S. federal government customers.
ManTech is a true entrepreneurial success story. From its modest beginnings as a two-person start-up entity in 1968, the company has become an established leader supporting the federal government by providing mission-critical technology and technical services. Traded on the NASDAQ since 2002, ManTech has grown both organically and through more than a dozen major strategic acquisitions and now has more than 9,000 employees with operations in 40 countries around the world.
Pedersen holds leadership positions in key industry associations. He serves on the executive committee of the National Defense Industrial Association (NDIA), and is also vice chairman of its Education and Lobbying Committee. He is a member of the board of directors of the Association for Enterprise Information (AFEI).
Pedersen also is chairman of the executive committee and a member of the board of directors of GSE Systems, a public company that is a leading supplier of plant and full scope control room simulators to the nuclear power and petrochemical industries.
In 2005, Pedersen received the James Forrestal Industry Leadership Award from NDIA for his "demonstrated record of business accomplishment" and his active role in "helping to preserve and strengthen the nation's defense industrial base." Pedersen was chosen for his "astute business judgment, keen political instincts and a broad understanding of the vital role the industrial base plays in ensuring the nation's security," according to NDIA.
In 2006, Pedersen received the Lifetime Achievement Award from the Association for Corporate Growth National Capital Chapter. The award is given annually to individuals in the region that have contributed significantly to the region’s corporate growth over a number of years.
In 2008, Pedersen received a Federal 100 Award from Federal Computer Week. He was chosen for having a significant influence on how the "federal government buys, uses and manages information technology," and "for a risk-taking, vision and pioneering spirit in the federal IT community."
Louis M. Addeo
Addeo is president and chief operating officer of ManTech’s Technical Services Group. Before joining ManTech, Addeo was chief operating officer of Serco NA, a subsidiary of Serco Group. Before that, Addeo was the president of AT&T Government Solutions, which provided business information technology and services solutions to federal, civilian, defense and intelligence community customers. Addeo served in a variety of leadership roles during his almost 30-year tenure with AT&T.
L. William Varner
Varner is president and chief operating officer of ManTech’s Mission, Cyber and Technology Solutions group. Before joining ManTech, he was vice president, corporate officer and executive director of the Intelligence Operations Unit at Northrop Grumman-TASC, which specialized in highly technical engineering and operations support to the intelligence community. While at TASC, his business grew substantially and his team earned Capability Maturity Model Integration (CMMI) Level 5 certification in software development. He joined TASC in 1978, and progressed through positions of increasing responsibility in project, program and line management before becoming a senior executive.
Terry M. Ryan
Ryan is president and chief operating officer of ManTech’s Systems Engineering and Advanced Technology group. He joined ManTech from Mercury Federal Systems, where he was the president and chairman. Previously, he was senior vice president of strategic development for SAIC, responsible for strategy and mergers and acquisitions for SAIC’s largest operating group. Before that, Ryan was vice president and director for SRA International’s C4ISR Center, and president, CEO and director of Adroit Systems Inc. He also served as the director of intelligence, surveillance and reconnaissance for the Office of the Department of Defense.
Kevin M. Phillips
Phillips is executive vice president and chief financial officer of ManTech International Corporation. Before being named CFO, Phillips served as corporate vice president and chief of staff for ManTech, where he played an active role in the integration of acquisitions and other strategic business issues. Phillips joined ManTech in December 2002, when ManTech acquired CTX Corporation, a leading provider of information technology and software strategies and solutions to the intelligence community, where he served as CFO. Before that, he held various roles including controllerships in IT services providers to the government.
M. Stuart Davis
Davis is executive vice president of strategy and communications. He is responsible for investor relations, communications and marketing, strategic growth plans and initiatives. He joined ManTech from SAIC, where he was the corporate senior vice president of investor and employee-owner relations. Davis led the marketing efforts for SAIC's initial public offering and defined the company’s approach for communicating strategy, financial results and market differentiators to the investment community. Before SAIC, he had a number of key financial roles in a career spanning more than 21 years at SRA International, including his last position as vice president and director of investor relations.
Sally Sullivan
Sullivan is executive vice president of business development. Previously she was vice president for Defense, Space and Secured Infrastructure at Bechtel National Inc., responsible for growing business in the Department of Defense, the intelligence community, federal civil agencies and foreign governments. Before Bechtel, she was the sector vice president for business development of Northrop Grumman Mission Systems. She began her career at EDS, where she held a variety of management responsibilities including leading the team that developed and deployed some of the first-ever healthcare systems used in medical readiness, transport and logistics.
Carlos S. Echalar
Echalar is executive vice president of human resources. Before joining ManTech, he was corporate senior vice president of human resources at SAIC, where he led human resource programs and operations, including large-scale transformation programs to improve competitiveness and increase growth. Before SAIC, he was the senior director for human resources for Titan Corporation. He has held similar executive and business management roles at Booz Allen Hamilton, Litton and TRW. Echalar has served as an executive of global and local industry association boards and as a national speaker and contributing writer on business-focused human capital issues.
Jeffrey S. Brown
Brown is executive vice president, general counsel and secretary for ManTech International Corporation, and has been with the company since 1994. He has served as general counsel since 1999 and corporate secretary since 2007. As general counsel, Brown oversees all of the company’s legal matters. He is a graduate of Cornell University and the George Mason University School of Law, and is a member of the Virginia State Bar.