Bryan K. Marcia, Ph.D., Assoc. Prof. Emeritus, Department of Natural Medicine, Capital University of Integrative Medicine, Washington, DC.

Professor Bryan lectured as an Associate Professor in the Department of Natural Medicine at Capital University of Integrative Medicine in Washington, DC, USA from 2000-2006 and awarded Associate Professor Emeritus in June, 2006.

Professor Bryan has dedicated several years to researching the human pupil in relation to active pathology in the body and has established it as a valuable adjunctive diagnostic modality.

Bryan remains a committed scientist actively engaged in clinical research and development within the field of iridodiagnostics, collaborating with health professionals around the globe.