Weiyi Mu is a certified genetic counselor at the Department of Genetic Medicine at Johns Hopkins University. She received her Master of Science in Genetic Counseling from the Johns Hopkins Bloomberg School of Public Health and is certified by the American Board of Genetic Counseling. She has a special interest in pediatric and adult neurogenetic populations, specializing in dementias and movement disorders, including Parkinson disease, Huntington disease, and hereditary ataxias. She provides to patients and their families genetics education, interpretation of genetic test results, and counseling to facilitate decision-making and adaptation to a chronic condition. In addition to her clinical work, she is also involved in gene-finding research studies, patient outcomes and psychosocial genetic counseling research, and provides clinical instruction to undergraduate interns, genetic counseling students, medical students, medical residents.