Erdahl had Presidential appointments to serve as Country Director and later Associate Director for the Peace Corps from 1983 to 1989 and as Principal Deputy/Acting Assistant Secretary for International Affairs at the U.S. Department of Energy from 1989 to 1993. He served on the boards of the United Nations Association of Minnesota, Nobel Peace Prize Forum, Minnesota chapter of People to People, Minneapolis Lodge of the Sons of Norway, and Growth & Justice. In 1999 he received the Twin Cities International Citizen Award and in 2011 was recognized for his public leadership and service with the Hubert H. Humphrey Public Leadership Award by the Humphrey School of Public Affairs at the University of Minnesota.[2]
His successful 1978 Congressional campaign was managed by Arlen Wittrock. For Erdahl's four years as a member of the U.S. House of Representatives, Keith Hall served as his Washington Chief of Staff and Arlen Wittrock served as his Minnesota Chief of Staff.
Later career and legacy
In April, 2011 he was recognized for his public leadership and service with the Hubert H. Humphrey Public Leadership Award by the Humphrey School of Public Affairs at the University of Minnesota.[7]
The Arlen Inglof Erdahl collection at the Southern Minnesota Historical Center, Memorial Library at the Minnesota State University, Mankato contains materials about his seven years in the Minnesota House of Representatives and his campaign for Minnesota Secretary of State in 1970.[8]
Arlen Erdahl died on September 21, 2023, at the age of 92. He had Alzheimer's disease in his later years.[9]