American singer and songwriter. His mother was the late American singer Phyllis Nelson, best known for the songs "I Like You" and "Move Closer". He was an original member of Boyz II Men while still attending Philadelphia's High School of Performing Arts. However, Nelson left the group to pursue a solo career before they released their first album. Marc also played the leading role of Joaquin in In-Laws From Hell, written, directed, and produced by Andrionna L. Williams.