Member Companies

Our diverse membership consists of global leaders and innovators representing different segments of the internet technology and communications ecosystem. Each company has unique expertise and takes substantial steps to protect the integrity of important systems and services that people, enterprises, and governments depend upon. 



USTelecom and CTA form the Secretariat of the CSDE. The Secretariat works closely in consultation with all participating companies to achieve consensus on shared objectives.


For information on joining CSDE, please contact:

USTelecom –  Robert Mayer, Cybersecurity, (202) 326-7221,

CTA –  Mike Bergman, Technology & Standards, (703) 907-4366,