Lenhardt, Alfonso E., 1943-

Alfonso E. Lenhardt (born 1943) is an American Army officer, executive, diplomat, and ambassador. He most prominently served as Acting Administrator of the United States Agency for International Development (USAID) in 2015, U.S. Ambassador to the United Republic of Tanzania from 2009 to 2013, and Sergeant-at-Arms of the United States Senate from 2001 to 2003.

A native of New York City, New York, Ambassador Lenhardt began his career in the United States Army in 1966. During his time in the service he was chief of staff to the Director for the Strategic Defense Initiative Organization, Director of Personnel and Installation Management for the largest unit in the U.S. Army, head of military police, and finally commanding general of the U.S. Army Recruiting Command. Lenhardt retired in August 1997 after 31 years of service.

...