Marvin holds a B.A. in Sociology and M.A. in Higher Education and Leadership Policies from California State University, Sacramento, where he was the Drum Major of the Hornet Marching Band. He is currently working on his Multiple Subject Teaching Credential. Marvin has worked with many prestigious high school marching band programs (Granite Bay, Fairfield, Ayala, John F. Kennedy, American Canyon, Elk Grove, Laguna Creek, California, and Ponderosa). He is also the Director and Head Judge of Drum Major activities for the Northern California Band Association. Marvin has been part of the Concord Blue Devils organization (Blue Devils B and Blue Devils A), and has also been the Drum Major Coordinator for the Blue Devils B and the Sacramento Mandarins drum corps.