Jonathan Gannon

Gannon smiling youthful man with dark suit, white collared shirt, striped red/blue tie, short brown hair

Jonathan Gannon

Asst. VP & Senior Legal Counsel, AT&T; Faculty member, Cybersecurity Strategy and Information Management Program


Jon Gannon is an Assistant Vice President and Senior Legal Counsel at AT&T, where he counsels the company’s network security and policy groups on a wide range of cybersecurity legal and policy issues.

Prior to joining AT&T, he worked in the National Security Division at the U.S. Department of Justice (DOJ), where he practiced before the Foreign Intelligence Surveillance Court and supported a variety of counterterrorism, counterintelligence, and cyber investigations.  Jon received numerous awards during his tenure at DOJ, including the Attorney General’s Award for Excellence in Furthering the Interests of U.S. National Security.

Before joining DOJ, Jon was an associate at Pillsbury Winthrop LLP in Washington, D.C.  Jon is an adjunct professor at George Washington University and a Certified Information Privacy Professional (CIPP/US).

He received his J.D. from Vanderbilt University and his B.A. from the College of the Holy Cross. 

  • Cybersecurity
  • National Security
  • Cyber Law and Policy
  • Information Sharing and Safeguarding
  • J.D., Vanderbilt University Law School
  • B.A., College of the Holy Cross