Lee (S) Wolosky is a seasoned litigator and crisis manager who has served under the last three U.S. Presidents in significant national security positions. In 2016, President Obama, who had called on Lee to lead U.S. diplomatic efforts to close the U.S. detention facility in Guantanamo Bay, Cuba, accorded Lee the personal rank of Ambassador.
https://www.bsfllp.com/lawyers/lee-s-wolosky.html
Maybe this guy?