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Meet The Staff

Solomon Encina is the director of the Los Osos High School Band, Orchestra & Color Guard Program. He was born and raised in Rancho Cucamonga, California, and is an alumnus of Los Osos High School, c/o 2007. He received a Bachelor of Music degree in Instrumental Performance in Percussion from California Baptist University in 2011, and a Master of Music Education degree from Azusa Pacific University in 2018. His professional affiliations include the National Association for Music Education, the California Music Education Association, the Southern California School Band and Orchestra Association, and the Vic Firth Education Team. He has performed all across the nation in various venues, recorded several albums, and has been a contracted musician for more than a decade. He has toured across the nation as well as in Europe with the Southern California Ambassadors of Music. He has taught for several schools in percussion, marching bands, class guitar, and wind bands. 


Spencer Baldwin began teaching string bass at Los Osos High School in 2017.  Spencer holds a Bachelor of Music degree from the University of Redlands and a Master of Music degree from Azusa Pacific University. He did additional undergraduate work at the Conservatorium Van Amsterdam.  Mr. Baldwin is currently the Principal bassist with the American Youth Symphony and a section member with the Redlands Symphony.  He is currently an adjunct professor of music at Azusa Pacific University. In 2017 he was named Program Director for MUSICA! Spencer is thrilled to be working with the Los Osos High School Orchestra.

Anthony Clark joined the marching visual staff at Los Osos High School in 2016.  Anthony has been involved with pageantry arts for 10 years. He started his performing career in 2007 at Etiwanda High School, and has continued performing in pageantry arts since. His most notable accomplishments include marching 4 years of DCI and one year of WGI, 2 of which were with the award winning Blue Devils (2012 and 2014). Anthony started his teaching career volunteering his time at his alma mater, eventually making his way into a paid position in 2014. He is currently serving as the visual caption head for Etiwanda High School and as a tech at Nogales High School and The Academy Drum and Bugle Corps. Academically, Anthony is currently attending Norco Community College as a Computer Science major, and hopes to transfer to California State University, San Bernardino to complete a bachelor's degree. Anthony is excited to begin a new chapter in his teaching career at Los Osos, and hopes to be able to continue the tradition of excellence that the ensemble has established.

Eric Evans is the Director of Bands at Vineyard Junior High School in Rancho Cucamonga, California and also conducts one of the Los Osos Concert Bands. Mr. Evans graduated from California State University, Los Angeles with a Bachelor's Degree in Music Education and recently received his Master's Degree (MA. ED.) from Concordia University, Irvine.  His primary instrument is trombone, and he has studied under Ashley Alexander, Roy Main and Stewart Undem. Mr. Evans has worked at all levels of education from elementary school to college. He started his career in Baldwin Park, California at Jones Jr. High School teaching 5th grade beginning strings and 6th grade beginning band at Vineland Elementary, Foster Elementary and Central Elementary from 1992 – 2001. While at Jones, Mr. Evans developed very successful and award winning Marching Band and Concert Band Programs. He began working for the Alta Loma School District in 2002 and has developed a well-respected, high quality music program that has received high awards and high ratings for Vineyard Jr. High School since his tenure began. Mr. Evans has been a member of the 562 Air Force Band, The Air National Guard Band of the West Coast, for the past 30 years and holds the rank of Master Sergeant. He retired from the United States Air Force in August of 2016.  His duties in this organization included Asst. Low Brass Section Leader, Low Brass Section Leader, NCOIC of Unit Moral, NCOIC of Awards and Decorations for the unit, NCOIC of Sound, and The Director of Operations for the Air Force Band over an area of operations that include 8 states and the NCOIC of Training for the unit. He has been awarded the Air Force Achievement Medal, the Air Force Commendation Medal and the Meritorious Service Medal. Being in the 562 Air Force Band has taken Mr. Evans to play in such places as Australia, Dominican Republic, New Jersey, West Virginia, Delaware, Washington D.C., Florida, Washington State, Colorado, Arizona, Utah, Alaska, Pennsylvania, Georgia, New York, California, Utah, and also Lima, Chiclayo, Cuzco Peru. In the summer of 2012, Mr. Evans had the honor of serving in the Middle East. He was the NCOIC of the deploying unit and traveled and performed in countries such as Oman, Kyrgyzstan, UAE, and Qatar. While deployed, he performed for troops, dignitaries and students attending language school in Kyrgyzstan and troops deployed to these areas.

Shai Golan began working as a jazz instructor at Los Osos High School in 2017.  Shai is an Israeli saxophonist currently residing in both New York and Los Angeles.  Shai has performed with numerous distinguished artists including David Binney, Steve Wilson, Walter Smith III, Chris Potter, David Liebman, John Escreet, Matt Brewer, Nate Wood, Louis Cole, Dan Weiss, and John Daversa.  He has accumulated several distinctions which include winning the 2016 Vandoren Emerging Jazz Artist Competition, and the Best Soloist and Best Arranger Awards from the 2015 Amsterdam Keep An Eye International Jazz Competition.  Shai has studied with Donny McCaslin, Gary Smulyan, Rich Perry, Katisse Buckingham, Rob Lockart, Michael Mull, Josiah Boornazian, and Gary Pratt.  He graduated with a Bachelor’s Degree from California State University, Northridge in 2015 and a Master’s Degree in Jazz Arts from the Manhattan School of Music in 2017.  Shai is currently pursuing a career as a professional musician.


Dylan Martin Originally from Fontana, CA, and now a resident of Claremont, CA has been involved in the performing and marching arts community since a very young age. He attended Chino High School and graduated in 2016. Ensembles he has participated in include the field & winter color guard, field band, wind ensembles, jazz band, and choir. His past marching history includes the Rose Parade, RCC Marching Tigers 2017-2018, and WGI Independent World Class Group, Fantasia Winter Guard 2018. Dylan has been active pageantry educator since 2016, beginning with A.B. Miller High School, Incognito Drum & Bugle Corps, Montclair High School, Palm Desert High School, and is currently the Color Guard Director at Los Osos High School, Woodbridge High School, and Lake Winter Guard. He is also a Color Guard Technician at Martin Luther King High School. Dylan is also furthering his education as a music educator and designer hoping to receive his Masters in Fashion design and business to then hopefully one day be the director of his own winter guard program, marching arts training and housing facility, and have his own costume company.


Sheryl Mathews was appointed as the Band Director’s Administrative Assistant in July 2023. Prior to that she volunteered with the program for the four years her daughter was a member, 2019 to 2023. Sheryl served one year as the Communications Coordinator and one year as the Ways and Means Coordinator for the boosters. Sheryl was a 13 year member of the PTA/PTSA serving as a board member for many of those years and as the Reflections art program coordinator for her daughter’s school for 11 years and for 4 years as the Reflections coordinator for the Alta Loma Council of the PTA. The PTA/PTSA honored Sheryl with three Honorary Service Awards, one from Victoria Groves Elementary School, one from Vineyard Junior High School and one from Los Osos High School. Sheryl has also been a Girl Scout troop leader for 14 years here in Rancho Cucamonga. Sheryl’s prior employment includes various administrative assistant positions.

Pete Sapadin began teaching percussion at Los Osos High School in 2014. Pete 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 snare drummer with the Velvet Knights in 1987 and 1988 under Matt Savage and then went on to play snare drum for the Concord Blue Devils in 1989 & 1990, under Tom Float and the Cadets of Bergen County in 1991, under Tom Aungst.  Mr. Sapadin has been teaching and writing for marching percussion groups for over twenty years. Highlights include his time as head battery technician for the Velvet Knights under Tom Float, instructor for the Soka Renaissance Vanguard in Tokyo, Japan in 1998 - 2001 with Scott Johnson, Dave Glyde & Ralph Hardimon, Percussion Caption Head / Arranger for the Casper, Wyoming Troopers from 2002-2004, Caption Head / Arranger for the Yamato Drum & Bugle Corps in 2005 and snare instructor for the four-time World Champion Riverside Community College Indoor Drumline from 2004 - 2010.  After moving on from his time at RCC, Pete took over caption head/writing/show design/staff coordination duties for Orange County Independent WGI indoor percussion ensemble. His team earned the Bronze Medal in Independent Open Class at the 2012 WGI World Championships in Dayton, Ohio, and then went on to earn a Silver Medal the following year. Mr. Sapadin wrote the battery book for Pacific Crest in 2012 and 2013, and also taught and wrote for the Gold Drum & Bugle Corps from 2012-2013. Pete has been a featured clinician around the United States as well as in Taiwan, and Japan.  Pete Sapadin currently teaches and adjudicates percussion in Southern California and continues to demonstrate his ability to inspire, motivate and instruct students to truly become the best in the world. Mr. Sapadin is a highly sought after clinician and proud to be a Tama Artist, a Vic Firth Education Artist, a Remo Education Artist, and a Zildjian Artist.  Visit Pete’s website at  


Student Staff

Student Staff

The Los Osos Student Staff is the student-leadership unit of the band, orchestra and color guard program and is comprised of approximately 40 students.  The staff provides musical leadership and also organizes the logistical side of all performances and events in which the program participates.  The members of the Student Staff work hard to exercise on a daily basis the strongest form of leadership – LEADERSHIP BY EXAMPLE.


Joaquin Gonzalez-Salgado

Allen Liu


Patrick Li

Faith Peterson

Julie Farraj


Maxwell Alari

Malih Dana


Nicodimas Galmarini-Bonilla


David Kwon

Dylan Lee



Arjan Reyes



Madelyn Hamai


Eric Lam

Eli Perez


Natalie Goldberg

Jade Pretell

Mary Garcia

Kendall Thomas


Emmanuel Leus


Sacramento Arevalo

Grant Dennis
Michael Gonzales

Sophia Nario

Jannelle Ordona

Ezra Scott


London Bilbao

Miriam Miller

Amelia Protacio


Kylie Shing (Brass)

Ella Sinica (Percussion and Color Guard)

Alexander Lee (Woodwinds)

PR Manager

Jade Pretell


Katelyn Rudy

Isaac Shing


Bryan Tan


Chloe Fung

Brooke Ortega


Lucas Fan


Daniel Cannon

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