Andreas Preponis
Music Department Coordinator
Director of Choral & Vocal Studies
Office 4236
(925) 424-1118
apreponis@laspositascollege.edu
Cindy Browne Rosefield
Director of Instrumental Music
Office 4229
(925) 424-1119
crosefield@laspositascollege.edu
Daniel Marschak
(on sabbatical 2026-2027)
Office 4227
(925) 424-1116
dmarschak@laspositascollege.edu
Mertes Center for the Arts (Bldg 4000)
Las Positas College
3000 Campus Hills Drive
Livermore, CA 94551