She received her Ph.D. in clinical psychology from the University of Maine in 1996. She worked with patients at the Zablocki VA Medical Center and Lutheran Social Services in Milwaukee, and Rogers Memorial Hospital in Oconomowoc, WI. In 2007, she received a mini-fellowship sponsored by the American Academy of Sleep Medicine, which involved training at the New York Presbyterian Hospital in New York, NY. She received her certification in Behavioral Sleep Medicine in 2010 by the American Board of Sleep Medicine. Dr. Loomis serves as president of the Wisconsin Psychological Association.