Inmarsat Government, a leading provider of secure, global, mission-critical telecommunication solutions to the U.S. public sector, announce the appointment of Susan Miller as president and chief executive officer. In this role, Miller will be responsible for the overall business strategy and direction for Inmarsat Government, a wholly-owned, independent subsidiary of Inmarsat plc, responsible for all direct U.S. government business. Miller has over 20 years of senior executive leadership experience across a wide range of technologies that serve the U.S. government and commercial sectors.