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 Nextel Communications, Inc. is a provider of wireless communications services in the United States | General Counsel | - |
Jones Day LP
 Jones Day LP Miscellaneous Commercial ServicesCommercial Services Jones Day LP provides legal services. It offers services to the airlines, aviation, automotive, construction, energy, healthcare, insurance, media, pharmaceuticals, and telecommunication industries. The company was founded by Edwin J. Blandin and William Lowe Rice on March 1, 1893 and is headquartered in Cleveland, OH. | Corporate Officer/Principal | - |
SpectraSite, Inc.
 SpectraSite, Inc. Wireless TelecommunicationsCommunications SpectraSite Communications, Inc. was previously engaged in providing of outsourced antenna sites to the wireless communications industry in the United States. SpectraSite's business included the ownership, licensing and leasing of antenna sites on towers and the management of rooftops and in-building telecommunications access on commercial real estate. SpectraSite's customers included were wireless carriers including Nextel, Cingular, Sprint PCS, AT&T Wireless, T-Mobile and Verizon Wireless. THe company was based in Cary, NC. | Corporate Officer/Principal | - |
| NII HOLDINGS, INC. | Corporate Officer/Principal | - |
Training of Thomas J. Sidman
| University of Virginia | Undergraduate Degree |
| George Washington University | Masters Business Admin |
| University of Virginia School of Law | Graduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 1 |
|---|---|
| ANTERIX INC. | Communications |
| Private companies | 5 |
|---|---|
NII Holdings, Inc.
 NII Holdings, Inc. Wireless TelecommunicationsCommunications NII Holdings, Inc. engages in the development and provision of wireless communication services. It offers mobile telephone voice, wireless data, push-to-talk services, business solutions, and voice and data roaming solutions. It operates through the Brazil segment. The company was founded in 1995 and is headquartered in Arlington, VA. | Communications |
SpectraSite, Inc.
SpectraSite, Inc. Wireless TelecommunicationsCommunications SpectraSite Communications, Inc. was previously engaged in providing of outsourced antenna sites to the wireless communications industry in the United States. SpectraSite's business included the ownership, licensing and leasing of antenna sites on towers and the management of rooftops and in-building telecommunications access on commercial real estate. SpectraSite's customers included were wireless carriers including Nextel, Cingular, Sprint PCS, AT&T Wireless, T-Mobile and Verizon Wireless. THe company was based in Cary, NC. | Communications |
Jones Day LP
Jones Day LP Miscellaneous Commercial ServicesCommercial Services Jones Day LP provides legal services. It offers services to the airlines, aviation, automotive, construction, energy, healthcare, insurance, media, pharmaceuticals, and telecommunication industries. The company was founded by Edwin J. Blandin and William Lowe Rice on March 1, 1893 and is headquartered in Cleveland, OH. | Commercial Services |
Nextel Communications, Inc.
Nextel Communications, Inc. Wireless TelecommunicationsCommunications Nextel Communications, Inc. is a provider of wireless communications services in the United States | Communications |
Cyren Call Communications Corp.
 Cyren Call Communications Corp. Specialty TelecommunicationsCommunications Cyren Call Communications Corp. provides advisory and support services for the development of wireless broadband networks that carry priority public safety communications. The company was founded by Thomas J. Sidman, Keith W. Kaczmarek, Morgan Edward O'Brien in 2006 and is headquartered in McLean, VA. | Communications |
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