Today, Charles continues to exhibit in national and international venues. His work remains the subject of books, magazines, and newspaper articles and is included in many public and private collection. Charles worked as a Professor of Art in the department of Art and Art History at The University of Texas at Austin until 2014. In 2014 Charles was appointed the Hugh Roy and Lillie Cranz Cullen Distinguished Professor of Painting in the School of Art at the University of Houston. He now lives in Houston, Texas.