Thomas J. Sidman

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71 year

Communications

Consumer Services

Commercial Services

Profile

Thomas J.
Sidman was the founder who founded Cyren Call Communications Corp.
in 2006, where he held the title of Executive Vice President in 2012.
He also held former positions as Principal at NII Holdings, Inc., SpectraSite, Inc., and Partner at Jones Day LP.
Additionally, he served as General Counsel at Nextel Communications, Inc. from 1994 to 2001 and as Chief Legal Officer at Anterix, Inc. from 2009 to 2018.
Mr. Sidman received his undergraduate degree from the University of Virginia, his MBA from George Washington University, and his graduate degree from the University of Virginia School of Law.

Former positions of Thomas J. Sidman

Companies	Position	End
ANTERIX INC.	General Counsel	2018-09-30
Nextel Communications, Inc. Nextel Communications, Inc. Wireless TelecommunicationsCommunications Provides wireless telecommunications services	General Counsel	-
Jones Day LP Jones Day LP Miscellaneous Commercial ServicesCommercial Services Provides legal services	Corporate Officer/Principal	-
SpectraSite, Inc. SpectraSite, Inc. Wireless TelecommunicationsCommunications Provides outsourced antenna sites to the wireless communications industry	Corporate Officer/Principal	-
NII HOLDINGS, INC.	Corporate Officer/Principal	-

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Linked companies

Private companies	9
NII Holdings, Inc. NII Holdings, Inc. Wireless TelecommunicationsCommunications Operates as holding company with interests in mobile communication services	Communications
SpectraSite, Inc. SpectraSite, Inc. Wireless TelecommunicationsCommunications Provides outsourced antenna sites to the wireless communications industry	Communications
Jones Day LP Jones Day LP Miscellaneous Commercial ServicesCommercial Services Provides legal services	Commercial Services
Nextel Communications, Inc. Nextel Communications, Inc. Wireless TelecommunicationsCommunications Provides wireless telecommunications services	Communications
Anterix, Inc. Anterix, Inc. Wireless TelecommunicationsCommunications Operates as a wireless communications company to deploy private broadband networks and solutions	Communications
Cyren Call Communications Corp. Cyren Call Communications Corp. Specialty TelecommunicationsCommunications Provides advisory and support services for the development of wireless broadband networks	Communications
University of Virginia University of Virginia Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
George Washington University George Washington University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
University of Virginia School of Law University of Virginia School of Law Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services