| Name | Company | Active Certifications |
| Oezguer Ucar | ECI Telecom | *No Active Certifications at this time* |
| Sam Udosen | Network Rail | *No Active Certifications at this time* |
| Anuradha Udunuwara | Sri lanka telecom | *No Active Certifications at this time* |
| Ajit Udupi | Broadcom | *No Active Certifications at this time* |
| Jay Uebel |  |
*No Active Certifications at this time* |
| Patrick Uekert |  |
*No Active Certifications at this time* |
| Joe Uemura | Broadcom | *No Active Certifications at this time* |
| Jay Ueshanthan |  |
*No Active Certifications at this time* |
| Gerardo Ugalde |  |
*No Active Certifications at this time* |
| Akhabue Ugbesia |  |
*No Active Certifications at this time* |
| Jonathan Uhde | |
*No Active Certifications at this time* |
| Don Uhrmacher | Nebraska link | *No Active Certifications at this time* |
| Ehizojie Ukegheson | MTN Nigeria | *No Active Certifications at this time* |
| Edward Ullrich | |
*No Active Certifications at this time* |
| Mike Ulrich |  |
*No Active Certifications at this time* |
| Michael Umbrino | |
*No Active Certifications at this time* |
| Gary Underwood | |
*No Active Certifications at this time* |
| Stephen Unger | Fujitusu Network Communications | *No Active Certifications at this time* |
| Charles Unvericht |  |
*No Active Certifications at this time* |
| Richard Upson |  |
*No Active Certifications at this time* |
| Matt Uptain | |
*No Active Certifications at this time* |
| Chan Ura | Ntegrator Pte Ltd | *No Active Certifications at this time* |
| Peter Urban | |
*No Active Certifications at this time* |
| Christian Uremovic | Tellabs | *No Active Certifications at this time* |
| Lewis Urena | |
*No Active Certifications at this time* |
| Yashael Urena |  |
*No Active Certifications at this time* |
| Rafael Urgelles Orue | |
*No Active Certifications at this time* |
| Harald Uriel Gutierrez Luis | TELMEX | *No Active Certifications at this time* |
| David Urrea Uribe |  |
*No Active Certifications at this time* |
| Zac Urwiller | American Broadband | *No Active Certifications at this time* |
| Alan Usher | Fujitsu Network Communications | *No Active Certifications at this time* |
| Andrew Ussery | |
*No Active Certifications at this time* |
| Nicholas Uszler | |
*No Active Certifications at this time* |
| Efe Utuyorume | Ceragon networks | *No Active Certifications at this time* |
| Eduardo Jr Uy | GTA Teleguam Holdings LLC | *No Active Certifications at this time* |