Hayan Yoon holds a Ph.D. in biochemistry from Harvard and a J.D. from Stanford. She was also a fellow at University of California, Berkeley, where she conducted neuroscience research. Yoon helped obtain patents for San Francisco-based GigaGen, a company developing biotherapeutics to help cancer patients, and for ViroMed, a South Korean biotech working on DNA-based therapies for heart disease, neuropathy, ALS and other illnesses.

Who is the most important mentor you’ve had thus far in your career? Why?