Jonathan Yen grew up in the city of Hillsborough in the San Francisco Bay Area. He completed his undergraduate degree in Biomedical Engineering at Johns Hopkins University. He has done research on mouse and human induced pluripotent stem cells under Dr. Miguel Ramalho-Santos at UCSF and Dr. Linzhao Cheng at Johns Hopkins Institute for Cell Engineering. He is currently in the Bioengineering Graduate program, working under Dr. Fei Wang and Dr. Jianjun Cheng. His current research is on the development of 3D scaffolds for directed human pluripotent stem cell differentiation and protein/DNA delivery systems for stem cells. His goal is to bring stem cells to the clinical level to treat various diseases and damaged tissue. His interests outside of the lab are Go, tennis, and traveling to Taiwan, Brazil and Japan. He holds dual nationality of the US and Brazil.