In his roles as director, president, and chancellor, Watson led CSHL to articulate its present-day mission, "dedication to exploring molecular biology and genetics in order to advance the understanding and ability to diagnose and treat cancers, neurological diseases, and other causes of human suffering." CSHL substantially expanded both its research and its science educational programs under Watson's direction. He is credited with "transforming a small facility into one of the world's great education and research institutions. Initiating a program to study the cause of human cancer, scientists under his direction have made major contributions to understanding the genetic basis of cancer." In a retrospective summary of Watson's accomplishments there, Bruce Stillman, the laboratory's president, said, "Jim Watson created a research environment that is unparalleled in the world of science."