Tina Won Sherman

Director, Homeland Security and Justice

Areas of Expertise:

  • Protection of critical U.S. assets and resources
  • Chemical facility security
  • Pipeline security
  • DHS coordination across critical sectors
  • Aviation and surface transportation security
  • TSA management

Tina Won Sherman is a Director in GAO’s Homeland Security and Justice team. She oversees work on the protection of the nation’s critical infrastructure assets and the security of the U.S. transportation system.

Tina first joined GAO in September 2002. During her tenure, Tina has led reviews on a range of issues, including telecommunications, transportation, and defense. She also served on detail in the Office of Congressional Relations, where she supported the Armed Services, Foreign Affairs/Relations, Intelligence, and Veterans’ Affairs committees.

Tina earned master’s and doctorate degrees in government and politics from the University of Maryland, College Park. She also earned a bachelor’s degree in government and politics from the University of California, San Diego.


Federal Efforts to Improve Protection of Critical Infrastructure After the Colonial Pipeline Attack
DOD’s Oversight and Use of Private Security Contractors