[1] He was previously president of Catholic Relief Services (CRS).

Afterwards, he joined Catholic Relief Services (CRS), serving in Africa and Asia.

[3] He was nominated to the post as Ambassador by President Barack Obama in June 2013 and confirmed by the Senate on August 1, 2013.

In March 2016, he was appointed Knight Grand Cross of the Order of Pius IX, the highest Papal Award given to lay men and women.

[5] Hackett received nineteen honorary doctorates from American Catholic universities.