… Leslie, PhD, OTR/L, CEIS Graduating from the IHP with a PhD, Catherine Leslie is now an Assistant Professor . About Cathy Leslie, PhD, OTR/L, MOT, CEIS, is an Assistant Professor of Occupational Therapy in the School of Health and … Dr. Leslie’s clinical background is in pediatrics in the early intervention setting, and she teaches courses focused on pediatrics, health communication, and …