Glenn Gerstell is the General Counsel of the National Security Agency https://www.nsa.gov/news-features/press-room/Article/1629033/nsa-announces-glenn-s-gerstell-as-new-general-counsel/ For more on the 28th Annual Review of the Field of National Security Law Conference https://www.americanbar.org/groups/public_services/law_national_security/events_cle/past_event_info_materials/28arc/