Hale joined the Foreign Service in 1985.[4] He served at the United States missions to Tunisia, Bahrain, Saudi Arabia, and the United Nations.[6][4] In Washington, Hale was Deputy Assistant Secretary of State for Israel, Egypt and the Levant and Director for Israel-Palestinian Affairs. He held several staff posts, including Executive Assistant to Secretary of State Albright.[5]
Hale was the United States Ambassador to Pakistan from August 5, 2015 to August 30, 2018.[5] In May 2017, he dedicated a new Counter-Terrorism Department building in Karachi.[7] The building, which had been bombed in 2010, was rebuilt at a cost of 24 million Pakistani rupees contributed from the United States Department of State's Bureau of International Narcotics and Law Enforcement Affairs.[7]
On September 13, 2018, Hale was promoted to the rank of Career Ambassador – the highest rank in the foreign service.[10] He was formerly the highest-ranked serving United States Foreign Service Officer.
Service as Under Secretary
In early 2020, Under Secretary Hale visited West Africa to advance US diplomatic interests in the Sahel.[11]
In September 2020, Hale testified that a potential sale of F-35 fighter aircraft to the United Arab Emirates would be discussed with Israel in light of US policy goals to maintain an advantage for Israel in the area.[12]
In 2021, Victoria Nuland was nominated by President Joe Biden to serve as Under Secretary for Political Affairs in the new administration. Hale consequently stepped down from the position and was detailed to the Wilson Center, a policy think-tank based in Washington D.C, as a Distinguished Diplomatic Fellow. Upon his resignation as Under Secretary, he ceded his status as the highest-ranking U.S. Foreign Service Officer, a position held by the officer serving in the highest political appointment in the Department (usually Deputy Secretary or Under Secretary for Political Affairs) irrespective of years of service.
Hale appeared before House investigators on November 6, 2019 with regard to the impeachment inquiry. Hale came to the attention of the impeachment inquiry when Philip Reeker testified about support for Ambassador Marie Yovanovitch being suppressed after President Donald Trump had her removed as ambassador to Ukraine. Mr. Reeker's deputy, George P. Kent, voiced misgivings about Rudy Giuliani’s role in Ukraine matters to Reeker and Hale, according to documents from the State Department's inspector general.[13]
On November 20, 2019, Hale testified that an Office of Management and Budget (OMB) official informed him that Trump ordered aid to be withheld from Ukraine.[14]