Baritone - In 9th grade Mark began singing Barbershop Harmony at Fisher Junior High in Ewing, NJ. Then in high school he briefly joined the PGS chorus. While at the University of Delaware Mark sang chorale and doo-wop. After college in 1988, Mark rejoined PGS. Since then he has served as President of PGS, has performed and competed in numerous quartets and now serves as the Assistant Director.