Xiaoping Du, MD, MS 

Research Scientist

Meet Xiaoping Du (pronounced jhow-ping do)! Xiaoping is a medical doctor and also holds a Master of Science degree. Dr. Du has worked at HEI for over ten years. He is from China, but completed his post-doctoral fellowship in Memphis, TN before moving to Oklahoma City to join HEI. Part of Dr. Du’s work includes leading a histology and surgical team. His extensive background in the anatomy of the ear and study of inner ear diseases is vital for the work he does at HEI. He is a visionary and an innovator. He finds needed solutions and has important observations that move the research forward. 

Dr. Du’s favorite food is Chinese, and his hobbies include fishing, watching television, and reading. He is married to Weihua Cheng (another HEI team member) and they have one adult son. Dr. Du says hearing loss is important because “[it] impacts our emotional and social health.” 

Richard Kopke, MD, FACS  


Richard “Rick” Kopke earned his undergraduate and medical degrees from the University of Washington in Seattle. He received fellowship training in neurotology, skull base surgery, and neurobiology from Albert Einstein College of Medicine in New York. He served 26 years in the U.S. Army, built an international reputation as an expert in inner ear medicine, and received the Legion of Merit award for his outstanding service and achievement. He is Board Certified in otolaryngology and has sub-specialty certification in neurotology. Dr. Kopke retired from clinical practice in February 2020 to devote more time to advancing HEI’s therapeutics  to the clinic. This includes leading research efforts, writing articles and patents, and conceiving new ideas to improve hearing health. Dr. Kopke also connects with a variety of biotech and pharmaceutical entities to aid transition of HEI’s technology portfolio to patients. 

In his spare time, he immensely enjoys being with his wife, children, and seven grandchildren and is also an avid fly fisherman. 

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