Heeyong Yoon, PhD Heeyong Yoon, PhD, is a Research Technician with the mitochondrial research team at Children's Hospital of Philadelphia. Locations: Main Campus Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467) Education and Training Undergraduate DegreeBS in Zoology - Seoul National University, Seoul, Korea Graduate DegreePhD in Microbiology - University of Pennsylvania, Philadelphia, PA Titles and Academic Titles Research Technician IV Departments and Services Mitochondrial Medicine Research Interests Mitochondrial clinical research Patient Experience Ratings About the Patient Experience Rating System The Patient Experience Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question. Responses are measured on a scale of 1 to 5 with 5 being the best score. The comments are submitted by patients and families and reflect their views and opinions. The comments are not endorsed by and do not reflect the views of Children’s Hospital of Philadelphia.