Gary Dreibelbis, Director of Christian Education, holds a Doctorate in Education from Northern Illinois University as well as a Masters from NIU in Communication. His BA is from Wheaton College which has been called "The Harvard of Christian Colleges". His doctoral dissertation was on Joan Cooney the woman who created Sesame Street. When not working at RPF with ages K-6, he teaches communication courses at Diablo Valley College and at the University of Phoenix. He was a major contributer and editor to the book Watching What We Watch: Prime Time Television Through the Lens of Faith, Geneva Press 2001.

Carla J. Grokenberger began her musical education playing violin and piano. In high school, her passion turned to singing. Carla holds two music degrees from California State University, Sacramento; a BA and MA in vocal performance.

Carla was the Director of Music at Fairfield Presbyterian Church for 14 years, followed by becoming a high school choir teacher and maintaining a private voice studio in her home. Carla has had numerous opera rolls and often performs with local opera and symphonic orchestras. Carla has served as the Director of Music at Rockville Presbyterian Fellowship since 1998.

Delbert Bump holds a BA in Piano Perfomance and a MA in Composition from San Francisco State University. Del has a full schedule as a performing artist playing piano, keyboards, and jazz organ locally and nationally. He has seven CD's and a number of other recordings representing various aspects of his unique performing and composing style. Del has taught at the college level for over 30 years, currently teaching at Solano Community College and serving as Jazz Director at U.C. Davis. Del has written for big band, combos, TV, radio, and has received numerous awards. Del leads an organ trio, a latin sextet and an organ-driven big band in his 'off time' from being our piano accompanist at Rockville Presbyterian.