Ah-Hyung “Alissa” Park is a professor of chemical and biomolecular engineering and the Ronald and Valerie Sugar Dean of the UCLA Samueli School of Engineering. She also has a joint appointment in civil and environmental engineering.

Prior to joining UCLA September 1, 2023, Park had been a faculty member at Columbia University in New York since 2007 where she served as the Lenfest Earth Institute Professor of Climate Change and the director of the Lenfest Center for Sustainable Energy. She was also the chair of the Department of Earth and Environmental Engineering and an executive committee member of The Earth Institute and Columbia Climate School.