HERNDON, VA--(Marketwire - May 22, 2012) - Inmarsat Government, a leading provider of secure, global, mission-critical telecommunications to the U.S. public sector, announced that David Helfgott has been named president and chief executive officer. In this role, he will be responsible for the overall business strategy and direction for Inmarsat Government.

Helfgott has over 20 years of senior executive leadership experience across a number of technology and service sectors. Helfgott joined Inmarsat in April 2011 as president of Inmarsat Inc. and senior vice president of business development and strategy for the parent company, Inmarsat plc. In this position, he was responsible for development functions across the Group including strategic planning, M&A, new market development, technology strategy and government-policy outreach.

Prior to joining Inmarsat, Helfgott held leadership positions in the satellite communications and intelligence, surveillance, reconnaissance (ISR) technology market, including Cobham plc, where he served as president of the wireless ISR technology business unit; DataPath Inc., where he was president and CEO; and SES Americom Government Services, where he held the position of president and CEO.

Helfgott holds an MBA from the Darden School and a bachelor's degree from the University of Virginia. He also attended the Wharton School's executive development program.

About Inmarsat
Inmarsat Government provides secure, reliable and affordable mission-critical telecommunications to U.S. military and civilian organizations. Equipped with the industry's leading terrestrial and satellite infrastructure and partners, it delivers custom, end-to-end networks and solutions that can sustain communications anytime, anywhere. Inmarsat Government is headquartered in Herndon, VA, with network assets and operations around the globe. To learn more, please visit [ www.inmarsatgov.com ].

Inmarsat plc is the leading provider of global mobile satellite communications services. Since 1979, Inmarsat has been providing reliable voice and high-speed data communications to governments, enterprises and other organizations, with a range of services that can be used on land, at sea or in the air. Inmarsat is listed on the London Stock Exchange (LSE: ISAT.L). For more information, please visit [ www.inmarsat.com ].