John DeSimone is vice president of Cybersecurity and Special Missions (CSM) for Raytheon Intelligence, Information and Services (IIS). He served as an executive vice president of delivery and operations at CSRA Inc. until March 2016. He also served as vice president and general manager of Computer Sciences Corporation's North American Public Sector (NPS) Enterprise Services (NES) group, where he led the strategic direction, planning and execution of the groups' growth and development initiatives, driving and delivering next-generation technology solutions for customers across NPS' portfolio.
DeSimone was vice president and partner within IBM's public sector. He was responsible for the operations of the company's Federal Data Center and cloud offerings as well as the cybersecurity and privacy, federal IT infrastructure, application development and maintenance and project management service lines. He served as vice president of Northrop Grumman Corporation, where he provided service strategy, design and delivery of IT outsourcing managed services offerings to the commercial, state and local markets. DeSimone also has seven years of service at Motorola, Inc. within the company's networks and enterprise solutions sector, leading their global public safety software business. He started his career by launching a medical software company within the commercial healthcare market.