Mark has been singing since he was a child. He writes, shapes, arranges, and builds songs and performances from the ground up.

Among his many accomplishments Mark is one of L.A.s most effective vocal coaches with a client list that includes Augustana, Howard Benson, Billy Bush, Greyson Chance, Chris Daughtry, Kara DioGuardi, Eve, Dia Frampton, Flyleaf, Maroon 5, Matisyahu, Mandy Moore, OneRepublic, Pussy Cat Dolls, Gavin Rossdale, Seether, ThreeDaysGrace, Theory of a Deadman, and many others. 

He has been the vocal coach or producer on more than 15-gold or platinum selling albums, and has vocal coached, produced, or written songs on 40 or more albums released worldwide!

As a songwriter/recording artist Mark was formerly signed to CBS records. He has toured as an opening act for bands such as Daughtry and OneRepublic, and has numerous television song placements for the songs he has written and performed which include CSI Miami, Numbers, The League, etc.

He has co-written and has done vocal harmony arrangements placed on other artists albums like P.O.D. and Gavin Rossdale.

Mark also owns his own recording studio and has production credits for bands such as Helmet, Maroon 5 (b-side for hands all over) P.O.D., and Gavin Rossdale.