Instructional Staff  


Jonathan Chang - Director

     Mr. Chang has been teaching at Glen A. Wilson High School since 1997.  His teaching responsibilities include overseeing the Marching Band, Concert Band, Wind Ensemble, Jazz Band, Drumline, Chamber Music, and Color Guard. He is also the Visual & Performing Arts Department Chair and a member of the schoolís Academic Senate.  Previous teaching assignments include Claremont High School , El Roble Intermediate School, Upland Jr. High School , California High School, and South Whittier Intermediate School.  Mr. Chang received his Bachelor of Music in Performance from the University of Southern California and his private instructors included Tommy Johnson and Terry Cravens. He received his Masters in Education from Azusa Pacific University.

      Mr. Changís involvement in the drum corps activity began marching baritone with the Blue Knights from Denver , Colorado.  He eventually ended up playing in the Magic Kingdom Korps, a 12-piece drum corps that used to perform at Disneyland , for six years in the 90s.  Mr. Chang has worked as a brass technician for the Pacific Crest Drum & Bugle Corps based out of Diamond Bar, the Troopers from Casper, Wyoming and the Blue Knights.

     Outside of school and drum corps, Mr. Chang is active adjudicator for parade, field, and concert festivals for the Southern California School Band & Orchestra Association as well as being a time and penalty judge for the Winter Guard Association of Southern California.  Mr. Chang currently lives in Chino with his wife Nina (who also teaches Dance PE at Wilson and helps out with the Color Guard), daughter Ella, and son Ethan.


Pete Sapadin - Percussion Caption Head & Battery Arranger

    Pete Sapadin is a marching percussion specialist based in Southern California who excels at teaching his students the skills necessary to perform at the highest levels in the marching activity. Mr. Sapadin started his marching percussion career as a member of the 1987 Velvet Knights and then went on to become a member of the Concord Blue Devils in 1989 & 1990, and the Cadets of Bergen County in 1991. Mr. Sapadin was invited back to teach the Velvet Knights under Tom Float in 1992 and later took the reins as the Percussion Caption Head / Arranger for the Casper, Wyoming Troopers 2002-2004, and the Yamato Drum & Bugle Corps in 2005.  Under the RWMA, this is Pete Sapadin's first year as percussion instructor.

    With several years of experience teaching and performing professionally in various ensembles from Anaheim, CA, Orlando, FL, NYC & Tokyo, Mr. Sapadin is able to bring 'real world' experience to his students and he does so with his own unique and engaging style. Pete Sapadin teaches percussion at multiple high schools, middle schools and as part of the Riverside Community College Independent World Class percussion staff. He continues to demonstrate his ability to inspire, motivate and instruct his students to truly become the best in the world, and is the Show Coordinator/ Battery Writer/ Caption Head for the City Sound Indoor Drumline. Mr. Sapadin is a highly sought after clinician and proud to be a Vic Firth Education Artist, a Pearl Education Artist, and a Remo Education Artist.


Wendy Lomeli- Color Guard Caption Head

    Wendy Lomeli has been on the Wilson Staff since 2006. Wendy is a graduate of Chino High School, where she preformed for four years in the color guard, for the 77th Cavalry Marching Unit.  In 2005, she was part of the team that earned bronze at Winter Guard International, and gold at SCSBOA.  The year after, Wendy's team went back to WGI to reclaim Bronze Medal.  Her experience with color guard includes four years of performance and five years of teaching in the Royal Wilson Marching Alliance.  Wendy's responsibilities include choreographing the routines of the Wilson Color Guard.


Jorge Estrella - Color Guard Instructor

     Jorge Estrella is a graduate of Glen A. Wilson High School, where he marched in our very own RWMA for 3 years. He has been an instructor since 2011, and has practiced with the Cavalier Drum and Bugle Corps and is currently a member of the Fantasia Winter guard. After this winter guard season he plans to march with the Blue Devils and win himself some medals.