Dr. Joe Greenagel was born and raised in the Fergus Falls area. After graduating from Fergus Falls high school in 1988, he went on to complete his degree at the University of MN, School of Dentistry.

From 1995 to 1998, Dr. Greenagel served as a Lieutenant in the US Navy. Upon completion of his duty, he went into private practice. He has been at his present location for over 20 years (since 2000).

Dr. Greenagel and wife, Becky, have three children. They enjoy youth sports, golfing, and enjoying time on the lake.