Complex sentence: On the recommendation of Under Secretary of State for Management Donold Lourie, Dulles designated McLeod as the first-ever Assistant Secretary of State for Security and Consular Affairs, holding this office from March 3,1953 until March 9,1957.
Split into simpler sentences: On the recommendation of Under Secretary of State for Management Donold Lourie, Dulles designated McLeod as the first Assistant Secretary of State for Security and Consular Affairs. McLeod hold that office from March 3,1953, until March 9,1957.