Career history of John M. McMahon
Former positions of John M. McMahon
| Companies | Position | Start | End |
|---|---|---|---|
| NII HOLDINGS, INC. | Corporate Officer/Principal | 01/01/1999 | 30/07/2014 |
Nextel de Mexico SA de CV
 Nextel de Mexico SA de CV Wireless TelecommunicationsCommunications Part of NII Holdings, Inc., Nextel de Mexico SA de CV is a Mexican telecommunications company. The company is based in Chapultepec, Mexico. The company was founded by William H. Berkman. | President | 16/12/2013 | 14/07/2014 |
Nextel Communications, Inc.
 Nextel Communications, Inc. Wireless TelecommunicationsCommunications Nextel Communications, Inc. is a provider of wireless communications services in the United States | Director of Finance/CFO | 01/01/1995 | 01/01/1997 |
Training of John M. McMahon
| Fordham University | Graduate Degree |
| The State University of New York | Undergraduate Degree |
Statistics
International
| United States | 5 |
| Mexico | 2 |
Operational
| Corporate Officer/Principal | 1 |
| Director of Finance/CFO | 1 |
| Graduate Degree | 1 |
Sectoral
| Communications | 4 |
| Consumer Services | 3 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Private companies | 3 |
|---|---|
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 |
Nextel Communications, Inc.
Nextel Communications, Inc. Wireless TelecommunicationsCommunications Nextel Communications, Inc. is a provider of wireless communications services in the United States | Communications |
Nextel de Mexico SA de CV
Nextel de Mexico SA de CV Wireless TelecommunicationsCommunications Part of NII Holdings, Inc., Nextel de Mexico SA de CV is a Mexican telecommunications company. The company is based in Chapultepec, Mexico. The company was founded by William H. Berkman. | Communications |
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