As Chief Operating Officer Mr. Celli was responsible for all aspects of operations, and as Executive Vice President he led the organization responsible for the development, manufacturing, testing and procurement of all satellite units and subsystems and he also oversaw procurement, information systems, and the facilities organization.
From 1996 to 2001, Mr. Celli was executive director of SSL's Intelsat IX program where he led the successful development and delivery of seven advanced multi-frequency communication satellites. From 1981 to 1996 he held a variety of other engineering and management positions with increasing management responsibility.
Before joining SSL in 1981, Mr. Celli held design and management positions for space products and ground systems at Alenia S.P.A. (Rome, Italy) for six years, while supporting academic developments at the Faculty of Engineering, University of Rome.
Mr. Celli holds a master's degree in mechanical engineering from the University of Rome, Italy.