Betty Yoder

Betty Yoder
Office Manager and Bookkeeper
Treasurer of the Board of Directors

BETTY YODER has been with Pacific Crest since 1996, when her son DJ performed with the corps. As an active volunteer, she took over the management of Corps at the Crest, taking it from fledgling event and expanding it into a series of two of the largest drum corps shows in the West, drawing a total of 7,000 spectators.

She manages the office, coordinates income collection and disbursements, maintains the corporate books and banking relationships, and helps ensure compliance with local, state, and federal agencies.

A former clarinet player, Betty is a retired bookkeeper with decades of experience in office management and retail operations. She lives in Diamond Bar, California, and is a proud mother and grandmother.

Brian Crist

Photo_CristBrianBrian Crist
Front Ensemble Instructor

BRIAN CRIST hails from San Diego, California, and has been an active educator throughout the San Diego, Vista, and Poway Unified Districts since 2005.  In addition to Pacific Crest, he has taught for Orange County Independent, Gold Drum and Bugle Corps, and The Academy Drum and Bugle Corps.

Brian began his musical endeavors at the age of four when he began studying violin. He continued with strings throughout his early years, and began percussion and horn studies at the age of 13.  He performed with the San Diego Young Artists Symphony Orchestra under the direction of Louis Campiglia, and served as concert master of San Diego All County & State performing ensembles. Becoming a member of San Diego Alternative Percussion Ensemble in it’s premiere years of 2005 and 2006, he marched tenors the first and joined the front ensemble his last.  From 2007 – 2009, Brian was a member of The Academy Drum & Bugle Corps front ensemble, and he performed with RCC Winter Percussion from 2008 – 2010.

Brian has had the privilege in working with many influential musicians and educators, including Louis Campiglia, Analt Almani, Mary Gerard, Andrea Venet, Jack Mizutani, Chris Retschulte, Glen Crosby, Ralph Hardimon, Thom Hannum, Ike Jackson, Brian Dinkel, Jim Wunderlich, and Sean Vega.

In his youth, Brian attended camps with Interlochen Center of the Arts and Tanglewood Festival. After high school, he spent two years at Manhattan School of Music and studied violin under Ms. Anat  Malkin Almani. He is currently enrolled at UC San Diego with the ultimate goal of attending medical school.

Brian teaches at San Marcos High School, Riverside King High School, Orange County Independent, and Pacific Crest.



Jacob Cornejo

Photo_CornejoJacobJacob Cornejo
Cymbal Instructor

JACOB CORNJEO performed with Pacific Crest Drum and Bugle Corps in 2009 and 2010. In addition, Jacob performed with the RCC Winter Percussion for the 2011 and 2013 seasons, from whom he drew inspiration from Sean Vega, Jared Andrews, Dan Wahl,  Jenny Jackson, Fernando Miller, Jeremy Somers, and Matt Regua.

He has started to share  his knowledge as an instructor at Troy High School in Fullerton, CA, and returned to Pacific Crest as a cymbal instructor in 2012.

Jacob is currently pursuing his studies in mathematics at Fullerton College.




Matt Walters

Photo_WaltersMattMatt Walters
Bass Drum Instructor

MATT WALTERS teaches the percussion sections at Rowland High School and the Riverside College Marching Band, serving as their bass drum instructors. He has taught at Pacific Crest since 2012.

Matt’s performance experience includes Mystikal Drum and Bugle Corps (2004-2007), Black Knights (2006-2007), Blue Devils (2008-2010), and RCC Winter Percussion Ensemble (2008-2011).

He is a resident of Ontario, California.



Melannie Stakely

Photo_StakelyMelannieMelannie Stakely
Bass Drum Instructor

MELANNIE STAKELY performed with Mystical Drum and Bugle Corps, Blue Devils Drum and Bugle Corps, Black Knights Indoor Percussion and Pulse Percussion.

Her teaching experiences include Gold Drum and Bugle Corps, Impulse Drum and Bugle Corps, Mandarins Drum and Bugle Corps, Pulse’s POW Percussion, and Pacific Crest.

Melannie is a graduate of California State University, Los Angeles, where she earned her Bachelor of Arts in Child Development with an emphasis in Elementary Subject Matter.


Darren VanDerpoel

Photo_VanderpoelDarren VanDerpoel
Snare Instructor

DARREN VANDERPOEL performed with Pacific Crest in 2007 and 2008. He returned as an instructor in 2012. Other performance experiences include Esperanza Drum and Bugle Corps, Black Knights Indoor Percussion, Riverside Community College Marching Band, and RCC Indoor.

Darren earned a Bachelor’s Degree in Marketing Management from Cal Poly Pomona, and is a director and performing member of the Los Angeles Clipper’s Drumline “Clippercussion.” He is an active percussion instructor in Southern California, and currently teaches at Ayala, Diamond Bar, El Dorado and Nogales High School.