In addition to being an award winning portrait artist, Marvin Mattelson has created a "career altering" approach to teaching oil portrait and figurative painting which is both broad in scope yet simple to comprehend. Marvin is an acknowledged master artist and communicator who leads oil painting workshops around the country. He also teaches ongoing painting classes in New York City at the School of Visual Arts, in both the undergraduate and continuing education programs.

Marvin is a distinguished educator, who teaches classes at the School of Visual Arts in New York City in addition to conducting private portrait painting workshops.

Marvin is a member of the American Society of Portrait Artists and is also on the leadership committee of the New York Society of Portrait Artists. He lives in Great Neck, New York with his wife and their two sons.