Tereasa Simonson M.D. is a board-certified radiologist with special training in neuroradiology. She received a Bachelor of Science degree in Biology and Chemistry from the University of Wisconsin in 1985, then went on to received a medical degree from the University of Minnesota Medical School in 1989. She completed her residency in Diagnostic Radiology and a fellowship in Neuroradiology.

In 1996, Dr. Simonson became the Chair of Department of Radiology, as well as the Medical Director of the Breast Center at the St. Cloud Hospital. She is also the Medical Director of the Non-Invasive Vascular Lab and the Radiology Quality Chair at the St. Cloud Hospital. Dr. Simonson has given many lectures at several conferences around the U.S. and has lent her expertise to the writing of over 25 publications and journals.