Dorcus Bighair

Dr. Ziegler earned her Ph.D. in Clinical Psychology from the University of Nevada-Reno and completed her internship at Norristown State Hospital. Practicing in Sheridan since 1983, she specializes in treating adults with depression, anxiety, PTSD, and serious mental illness.

An expert in hypnosis, Dr. Ziegler uses it effectively for smoking cessation and weight management. She is an active member of the American Psychological Association and Wyoming Psychological Association, having served twice as WPA President, two terms as Wyoming Board of Psychology President, and two terms on the APA Council.