|Known for||Past president, American Psychological Association; former mayor, Fort Collins, Colorado|
Suinn earned an undergraduate degree from Ohio State University and a PhD in counseling psychology from Stanford University. He served on the city council of Fort Collins, Colorado, then he became the city's mayor. He was APA president in 1999. He was the first Asian-American president of the APA. Suinn was also one of the founding members of the Asian American Psychological Association.