George Pedersen, co-founder and former chairman and CEO of ManTech, has died at the age of 87. He helped establish
George Pedersen, co-founder of ManTech International (Nasdaq: MANT), has retired as a member of the board and chairman emeritus after
Kevin Phillips, president and CEO of ManTech International (Nasdaq: MANT) and a 2020 Wash100 award winner, has been elected chairman of…
Kevin Phillips, president and chief operating officer of ManTech International (Nasdaq: MANT) over the past year, has been promoted to
ManTech International (Nasdaq: MANT) has acquired Reston,  Virginia-based cybersecurity advisory contractor Knowledge Consulting Group for an unspecified amount. ManTech said Tuesday the acquisition
ManTech International (NASDAQ: MANT) has acquired former Computer Sciences Corp. (NYSE: CSC) subsidiary Welkin Associates under a $34 million cash transaction as
ManTech International (NASDAQ: MANT) has finalized its acquisition of 7Delta Inc. a provider of applications and software development and integration services
ManTech International (NASDAQ: MANT) has agreed to purchase Columbia, Md.-based technology management contractor 7Delta for an undisclosed sum that includes
ManTech International (NASDAQ: MANT) has acquired engineering and information management services contractor Allied Technology Group for an undisclosed amount. Rockville, Md-based
ManTech International (NASDAQ: MANT) has acquired information technology and professional services company firm ALTA Systems for an undisclosed amount.