Artistic Director

Dr. Alexandra Grabarchuk
Alexandra Grabarchuk is a Ukrainian-born musicologist and conductor with a PhD from the UCLA Department of Musicology. In addition to her position as Artistic Director of the SGVCC, she conducts and organizes the Contemporary Choral Collective of Los Angeles (C3LA). Dr. Grabarchuk is also a mezzo-soprano soloist with a wide variety of musical interests ranging from Renaissance polyphony to traditional Balkan singing. She currently teaches at Scripps College, Chaffey College, and Chapman University, and works as a score reader for the Metropolitan Opera. Her vision for the San Gabriel Valley Choral Company is built on the pillars of strong musicianship, diverse repertoire, and vibrant community. ​​

For more information about Dr. Grabarchuk, please visit

Visiting Artistic Director

Dr. David Rentz
David Rentz is Associate Professor of Music at Chaffey College, where he heads the choral and vocal music programs and teaches music theory. He has also taught and conducted choral ensembles at the University of Wisconsin-Madison, Yale University, and, most recently, Pomona and Scripps Colleges. He is the Music Director of the Orchestra Collective of Orange County and Co-Conductor of C3LA (Contemporary Choral Collective of Los Angeles). Dr. Rentz received his BMus summa cum laude from Washington University in Saint Louis. He earned his MM at the University of Wisconsin-Madison, and received his MMA and DMA from the Yale University School of Music.

​For more information about Dr. Rentz, please visit