Mark S. Marty is Organist at Madison Square Presbyterian Church and has recently retired from 45 years of teaching choral music encompassing elementary, secondary, and university levels. He holds the following degrees: B.M. in Applied Organ, B.M. Ed (All-Level Choral/Vocal), M.M. (Choral Conducting), and also holds the following certifications from the American Guild of Organists: Service Playing (S.P.C.) Colleague (C.A.G.O.) and Associate (A.A.G.O.). Additionally, he enjoys working as a jazz musician, secondary choral consultant and clinician, adjudicator, organ installation consultant, accompanist, and private organ tutor. Professional affiliations include: The American Guild of Organists--Immediate Past Dean of the Alamo Chapter, American Choral Directors Association, Texas Music Educators Association, Texas Choral Directors Association, and the Texas Music Adjudicators Association (Ret.) He is an auto enthusiast, enjoys bonsai creation, and loves being a new grandfather.