Dr. Kohler is the founder and owner of Callingwood Crossing Medical Center, which he has built over the years through a series of acquisitions.
He is actively involved raising money for Edmonton based health and education initiatives and also works part time teaching medical students as a Clinical Professor of Medicine from the University of Alberta School of Medicine and Dentistry.
Mr. Kohler participated in various pharmaceutical trials and studies. Mr. Kohler is an associate clinical professor of medicine at the University of Alberta.