12 Month Staff

David Niemeyer

Band Director

Mercy White

Band Manager/ Color Guard Advisor

Arturo Castro

Visual/ Brass

Allen Makishima

Percussion Coach

Jonathan Marin

Percussion Coach (Front Ensemble)

Tony Tapia

Color Guard Instructor

Kim Garcia

Color Guard Instructor

Marina Attalla

Colo Guard Instructor

Support Staff

Simonne Contreras

Summer Visual/Music Instructor

Sydney Contreras

Summer Percussion Coach

Jared Gadia

Summer Visual/Music Instructor

Janelle Barrera

Flute Coach

Beejell Soco

Clarinet Coach

Michael Czaja

Saxophone Instructor

Nic Chaffee

Trumpet Instructor

Kimi Dohl

Horn Instructror

Daniel Ridgeway

Trombone Coach

David Niemeyer - Band Director

Mr. David Niemeyer has been the director of instrumental music at Warren High School since the Fall of 2003 where he teaches/directs all aspects of the instrumental music program. Mr. Niemeyer holds both a Bachelor’s and Master’s in music. From a very young age he was drumming along to records and performing for any willing listener. In fifth grade he started his formal training as a percussionist in the school band. In every grade level there after he was enrolled in every band class, composed music, a section leader and performed in honor ensembles. Destiny brought Mr. Niemeyer to music. His passion for music naturally led him to share it through teaching.


As a teacher, Mr. Niemeyer was selected teacher of the month in February 2004 and again January 2005.  In 2007, the Warren High School PTSA, the city of Downey and California Legislature Assembly presented him with a certificate of appreciation for honorary service.  In April of 2018, Mr. Niemeyer was awarded the Teacher of the Year by the Downey Kiwanis and the City of Downey’s Mayor’s DNA award. In September of 2018 Mr. Niemeyer was recognized by the LA County of Education as Downey Unified's teacher of the year.


As a professional out of the classroom, Mr. Niemeyer is active within the Southern California School Band and Orchestra Association (SCSBOA). There he serves as a professional adjudicator and member and has also served as a manager for the honor band. In 2016 and again in 2017, Mr. Niemeyer was privileged to guest conduct the Long Beach Middle School honor band and the Beverly Hills Middle School honor band.



- Serra HS, San Diego CA. 1993-1996

- Washington State University, Pullman WA. 1998-2002 Bachelors of Music, Music Ed

- American Band College of Sam Houston State University, Ashland OR. 2008-2010 Masters of Music, Conducting



- SCSBOA All Southern Honor Band Manager 2010

- Long Beach Middle School Honor Band Guest Conductor 2016

- Beverly Hills Middle School Honor Band Guest Conductor 2017

- Session Presenter at SCSBOA Conference 2018

- Warren High School Teacher of the Year (Kiwanis) 2018

- City of Downey Mayor's DNA Award 2018

- Downey Unified Los Angeles County Office of Education Teacher of the Year 2018

Mercy White - Program Manager

Arturo Castro - Visual/Music Instructor

Arturo is a resident of Downey and a graduate of Warren HS where he was in band the band all four years, serving as baritone section leader his senior year. Arturo's principal instrument is Euphonium, but has expertise on all brass instruments. Arturo performed one season with City Sound Drum and Bugle Corps (2011) and has studied music at Cal State Long Beach University. 2019 will be Arturo's sixth year serving as a Visual/Music instructor at Warren High School. 

Marrand Honculada - Visual/Music Instructor

Marrand is a resident of Downey and is a graduate of Warren HS (2016) where she was in band all four years, serving as Drum Major her final year. Marrand's principal instrument is clarinet and is a very talented musician. Currently Marrand is studying at Cal State Long Beach. 2019 will be Marrand's fourth year serving as a Visual/Music instructor at Warren High School.

 Urian Tejada - Visual/Music Instructor

Urian is a resident of Downey is a graduate of Warren HS (2019) where he was in band all four years, serving as trumpet section leader for two years. Urian loves the marching activity and takes it seriously. Urian was a stand out student musician at Warren playing lead trumpet in Jazz II, Trumpet I in Wind Ensemble and was selected as one of the golden bear recepients in instrumntal music in 2019. Urian also marched with the Tournament of Roses Honor band in the 2019 Rose Parade. Fall 2019 will be Urian's first year serving as an instructor at Warren HS. 

Tony Tapia - Guard Instructor

Tony Tapia begain his color gaurd career at Riverside Poly High School. Since then Tony has been activily performing in all sorts of color guards including RCC's Fantasia winter guard, the Academy Drum and Bugle Corps and currently with the Boston Crusaders. Tony began instructing at Warren HS in December of 2017. 

Kim Garcia - Guard Instructor

Kim is a resident of the city of Downey and a graduate of Warren High School (2016), where she was part of the color guard all four years. 2019 will be Kim's fourth year serving as a guard instructor at Warren High School. 


Marina Attalla - Guard Instructor

Marina began her colorguard career as a member of the Torrance High School Marching Band and Colorguard . After graduating high school in 2011, she continued her career with the Velvet Knights,  Blue Stars Drum Corps  and Diamante Winterguard. Marina has worked with several schools in Southern California including, Torrance High School, South East High School, Montebello High School and  and Aliso Niguel High School. She also just finished out her second summer with Vessel Drum and Bugle corps. Marina is looking forward to another great year with Warren! 

Jonathan Marin - Percussion Instructor

Coming Soon



Allen Makishima - Percussion Instructor

Allen Makishima is a music educator and marching percussion specialist living in Southern California. For over 17 years, he has worked with numerous successful programs such as Warren High School (2015 SCPA Broze Medalist, 2014 SCSBOA Bronze Medialist and 2017 SCSBOA Gold Medlist), and Laguna Hills High School (multiple time WBA and SCPA Finalist). Allen earned his Bachelor's Degree in Music Education from CSU Long Beach in 2013. As a performer, Allen was a member of the Pacific Crest Drum and Bugle Corps 1999-2000 and the Black Knights Indpenednt Indoor Drum Line 2002.

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