Professor Valentine teaches in the Department of Art at The Ohio State University, Lima. His BFA is from the Columbus College of Art and Design. His MFA is from The Ohio State University.
He is currently represented by Linda Warren Projects in Chicago, Envoy Enterprises in New York City, and Angela Meleca Gallery in Columbus, Ohio.
His work has been included in group exhibitions in Paris, Tokyo, The United Arab Emirates, Los Angeles, San Francisco, New York City, and throughout the United States and Europe. In addition, he has had a dozen solo exhibitions in New York City and Los Angeles, with numerous other solo exhibitions throughout the United States and Europe.
Recent solo exhibitions include Envoy Enterprises, June 2014, Linda Warren Projects, February 2013, and Angela Meleca Gallery, September 2013.