Phillip Choi is a rising senior at the University of Pennsylvania in Philadelphia. Although he initially entered college interested in studying cultural anthropology, Phillip soon realized that he preferred physics. After having completed compulsory military service in Korea, Phillip recognized how much he enjoyed outdoor fieldwork. Once he got to know some of the faculty and students in the Earth Science department at his university and learned more about geology, Phillip decided that his true passion was geophysics, which incorporated both his interest in nature and his knack for physics.