From 1987 to 2021, Pfarr served in the Minnesota Army National Guard, retiring with the rank of colonel. He was awarded the Bronze Star Medal for his military service.[1]
From 2000 to 2005, Pfarr was a farm business management instructor at South Central College in North Mankato, Minnesota. Since 2005, he has been president of the Minnesota branch of First Farmers & Merchants Bank.[1][3]
Pfarr served on the Le Sueur Economic and Development Authority Committee and was a member of the Comprehensive Panning Working Group and the Le Sueur-Henderson School Board.[1]