Mitchel earned his Master’s degree in genetic counseling from California State University, Northridge in 2007. At Cedars-Sinai Medical Center Mitchel served as genetic counselor and coordinator for David Rimoin, MD, PhD’s connective tissue disorders clinic and later established the cardiovascular genetics program at CSMC. At CSMC he also created the CSMC Summer Genetic Counseling Rotation Program that hosted students from genetic counseling programs around the United States. In 2014 he joined the new Stanford Center for Inherited Cardiovascular Disease to start a familial hypercholesterolemia clinic and provide genetic counseling for patients with cardiomyopathies. As the center expanded, Mitchel joined the Stanford Marfan Center as a genetic counselor and serves as program coordinator. He is the primary instructor for Stanford’s Cardiovascular Genetics course and serves as a clinical supervisor and mentor for students and volunteers.