Employees       Suppliers

Management Team
 


George J. Pedersen George J. Pedersen, CEO ManTech International Corporation, Fairfax, VA (1968-Present) - George J. Pedersen is the Chairman of the Board, CEO 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 has grown from two people to approximately 8,000 employees with operations in 40 countries around the world. Revenues have grown from $431 million in 2001, just prior to the company’s initial public offering (IPO), to $1.87 billion in 2008, and a projected $2.025 - $2.1 billion in 2009.

ManTech became a publicly traded company on the NASDAQ in February 2002 having successfully executed an IPO and then a follow-on public offering in December 2002. Since that time the company has enjoyed significant internal growth and has made 12 strategic acquisitions: Aegis Research Corporation; CTX Corporation; Integrated Data Systems; MSM Security Services, Inc.; a subsidiary of Affiliated Computer Services; Gray Hawk Systems, Inc.; GRS Solutions; SRS Technologies; McDonald Bradley, Inc.; Emerging Technologies Group, Inc., EWA Services, Inc., and DDK Technology Group, Inc. ManTech’s strong balance sheet and positive cash flow has enabled the company to grow aggressively through organic growth and a focused strategic acquisition program.

ManTech has a long track record of providing highly skilled expertise and solutions involving systems engineering; systems integration; software services; enterprise architecture; cybersecurity; information assurance and security architecture; intelligence systems development; operations and analysis support; space technology; network and critical infrastructure protection; information operations and computer forensics; information technology; ground based communications system integration and engineering support; and global logistics and supply chain management.

National Defense Industrial Association (NDIA) and Association for Enterprise Integration (AFEI) - Mr. Pedersen serves as a member of the Board of Directors and Executive Committee of the NDIA, a trade association for the defense industry. He is also Vice Chairman of the Education and Lobbying Committee. He is a member of the Board of Directors for AFEI. These two are key industry associations.

In 2005, he 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." Mr. 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.

GSE Systems, Inc., Columbia, MD (1993-Present) - Mr. Pedersen 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 2006, Mr. 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 February 2008, Mr. 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."

 

 

Lawrence B. Prior III
Lawrence B. Prior III
Mr. Prior was named President and Chief Operating Officer of ManTech and was elected as a Director of the Company in June 2009. Before joining ManTech, Mr. Prior served in several executive positions at SAIC, Inc., a company with approximately 45,000 employees and $10 billion in annual revenue, including positions as Chief Operating Officer of SAIC (from October 2007 - June 2009); President of SAIC’s Intelligence, Security & Technology Group (from February 2005 to September 2007); and Senior Vice President, Federal Systems (from September 2004 to February 2005). Before that, Mr. Prior served as Chief Financial Officer and then President and Chief Executive Officer of LightPointe Communications, Inc. (from 2000 until 2004).

 

 

Louis M. Addeo
Louis M. Addeo
Mr. Addeo is President of the ManTech Technical Services Group. He joined ManTech in March 2009. Prior to joining ManTech, from September 2007 until January 2009, Mr. Addeo served as chief operating officer of Serco, NA, a subsidiary of Serco Group. From 2001 to 2006, Mr. Addeo was the president of AT&T Government Solutions, which provided business IT and services solutions to federal, civilian, DoD and Intelligence Community customers. Mr. Addeo previously served in a variety of other capacities during his almost 30-year tenure with AT&T.

 

 

L. William Varner
L. William Varner
Mr. Varner was named President of the ManTech Mission, Cyber & Technology Solutions Group in September 2009. Before joining ManTech, Mr. Varner was a Vice President, Corporate Officer, and Executive Director of the Intelligence Operations Operating Unit for 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 Level 5 certification in software development. He joined TASC in 1978 where he held positions of increasing responsibility in project, program, and line management before becoming a senior executive.

 

 

Terry M. Ryan
Terry M. Ryan
Mr. Ryan was named President of the ManTech Systems Engineering & Advanced Technology Group in September 2009. He joined ManTech from Mercury Federal Systems where he was the President and Chairman since March 2007. Previously, he was Senior Vice President of Strategic Development for SAIC, responsible for strategy, and mergers and acquisitions for the Intelligence, Security and Technology Group. Prior to SAIC, Mr. Ryan was the Vice President and Director for SRA International’s C4ISR Center, and President, CEO and Director of Adroit Systems, Inc. He also served as the DoD Director of Intelligence, Surveillance and Reconnaissance.

 

 

Kevin M. Phillips
Kevin M. Phillips
Mr. Phillips is Executive Vice President and Chief Financial Officer of ManTech International Corporation. Prior to being named Chief Financial Officer, Mr. 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. Mr. Phillips joined ManTech in February 2003. He was formerly the Chief Financial Officer of CTX Corporation, a leading provider of information technology and software strategies and solutions to the national Intelligence Community that had revenues of approximately $35 million at the time it was acquired by ManTech in December 2002. Mr. Phillips spent seven years in the executive management of CTX Corporation. Prior to that, he held various roles including controllerships in IT services providers to the government.

 

 

 

M. Stuart Davis
M. Stuart Davis
Mr. Davis was named Executive Vice President of Strategy for ManTech International Corporation in October 2009. He is responsible for investor relations, marketing and strategic growth plans and initiatives. He joins ManTech from SAIC where he was the Corporate Senior Vice President of Investor and Employee Owner Relations. Mr. 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, Inc, including his last position as Vice President and Director of Investor Relations.

 

 

Carlos S. Echalar
Carlos S. Echalar
Mr. Echalar was named Executive Vice President of Human Resources for ManTech International Corporation in September 2009. Previously he was a senior executive at SAIC where he led human resource programs and operations, including large-scale transformation programs to improve competitiveness and increase growth. Prior to SAIC he was the Senior Director for Human Resources for Titan Corporation, and he has held similar executive and business management roles at Booz Allen Hamilton, Litton and TRW. Mr. 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
Jeffrey S. Brown
Mr. Brown is Senior 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, Mr. 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.