Joanne Chory is an American plant biologist and geneticist. Chory is a professor and director of the Plant Molecular and Cellular Biology Laboratory, at the Salk Institute for Biological Studies and an investigator of the Howard Hughes Medical Institute. Considered the most influential plant biologist of the modern era and one of the greatest scientific innovators of our time, Chory's 30 years of work has pioneered the use of molecular genetics to study how plants change their shape and size to optimize photosynthesis and growth for different environments.