Faculty & Staff

Deidre Corson – Executive Director
Jennifer Wickland – Office Manager

Tina Bertram – Piano and Suzuki Piano
Cindy Browne – Violin
Griffin Browne – Cello
Marvi Davis – Voice
Diane Dickerson – Harp, Piano, and Flute
Judith Doxtater – Suzuki Piano and Music Together
Amy Haymond – Violin
Christian Johnson – Guitar, Mandolin, Fiddle, and Electric Bass
Dan Kohnstamm – Piano
Niki MacLean– Music Together
Jeremy Quick – Guitar
Don Rees – Guitar and Five String Banjo
Brinn Rogers – Piano
Sandra Vasquez – Music Lingua Instructor
The North Valley Music School takes pride in its highly trained, experienced teachers. A majority of our faculty have music and/or music education degrees from accredited institutions, with a major in their principal subject taught. The remainder have equivalent professional experience to their credit.



Deidre Corson
Executive Director

Deidre began working for NVMS in the fall of 2016.  The power of music has always been a passion in her life.  She has her Bachelor’s of Music Education from the University of Montana  where she studied Voice with the late Esther England, played flute and saxophone in the band and was the Drum Major of the Grizzly Marching Band. She also teaches beginner piano and guitar. Outside of NVMS she is a singer/songwriter and performs with the band Engine 99.  She loves living and taking advantage of all Montana has to offer!  Deidre resides in the Happy Valley area with her husband, Tim and two children, Cody and Sienna Pearl.




Jennifer Wickland
Office Manager

Jennifer has been either a teacher, administrator or Board member since 1998 when the school started in the basement of the old Methodist Church. She is a trained Suzuki Piano Teacher, plays the guitar, and flute, as well. Her mother, Betty Lou Wambeke, started the school with her friend Betsy Kohnstamm and she is thrilled to be involved with their dream come true. She’s cheerful, sweet, and ready to help you in the office with anything she can.





Tina Bertram
Piano and Suzuki Piano

At NVMS since 2004, Tina has been teaching piano for 17 years. She has a Masters in Organ and Ethnomusicology from Indiana University and has completed her Suzuki Piano Book 1 training. She is the piano half of a local violin/piano duo, and particularly enjoys accompanying soloists and ensembles. In addition to keyboard instruments, Tina plays clawhammer banjo. She has 5 children and lives in Fortine.



Cindy Browne


Cindy Browne

Cindy Browne has an enthusiasm for music and art that began very early in life. After several years of playing the piano, she began violin at age 11 with Joan Renne. She finished High School at Interlochen Arts Academy in Michigan, then received her Bachelors of Music in violin performance at the University of Memphis under the instruction of Soh-Hyun Altineo. She has played with various orchestras and summer festivals including the Glacier Symphony, Jackson Symphony, MasterWorks Festival and was part of an orchestra tour in China. Inspired by life in the mountains of Montana where she grew up, Cindy also studied and worked with professional artists such as Kathy Hawbaker, Carol Grende and Kalon Baughan. She enjoys working with many mediums in art from oil painting to bronze sculptures. Besides music and art, Cindy has a passion for healthy living, hiking and spending time with family and friends. She has recently returned to live in the Flathead Valley with her husband, Dr. Griffin Browne and their two young sons.


Griffin Browne

Griffin Browne

Cellist Griffin Browne is active as an orchestral musician, private teacher and free-lance musician. He currently plays with the Glacier Symphony and Chorale in Kalispell, MT. Recently a section member of the Memphis Symphony Orchestra and principal cellist with the Jackson Symphony, Dr. Browne has appeared as soloist with several orchestras in the mid-south area. These include the Jackson Symphony, Starkville Symphony, Dyersburg Symphony and the University of Memphis Symphony and Chamber Orchestras. With Leonardo Altino, David Bjella and Grace Bahng as his primary instructors, he received his Master’s and Doctoral degrees in cello performance from the University of Memphis and has a Bachelor of Music degree from Stetson University. In 2013, Dr. Browne completed an edition of M.H. Graul’s Cello Concerto, an unpublished work he found in the Sing-Akademie Archive and he enjoys playing music of many different genres – from classical to pop and jazz. Dr. Browne currently resides in Kila, MT with his wife, two children and father in law.

Marvi Davis


Diane Dickerson
Harp, Piano and Flute

Diane has been a professional harpist (playing grand pedal harp) for 35 years, living in Dallas (& Oklahoma) performing around the U.S. for varied audiences including dignitaries and presidents. She plays “pop” songs, Broadway selections, folk tunes, classical pieces, holiday music AND sings. She has performed as a soloist, in a harp duo, in a piano/harp duo, in a piano duo, and in numerous orchestras. She has taught (lever & pedal) harp & piano for NVMS since fall of 2006 and performs on her harp(s) for events in the area. Diane received her Bachelor of Music in Applied Performance Harp from North Texas State University, Denton, (now University of North Texas). At NTSU she studied harp with Mr. Charles Kleinstuber, who learned from world renowned master harpist, Carlos Salzedo.





Judith Doxtater
Piano and Music Together

At NVMS since 2006, Judy retired after 25 years as a

kindergarten, 2nd grade and music education teacher in Kalispell District 5. During her career teaching school she has maintained a small private piano studio teaching all levels of students in Kalispell. Previously, she had a piano studio in Havre and taught piano at Northern Montana College. She has been a church choir director in Havre, Missoula and Kalispell, and is a previous President of the Montana Federation of Music Teachers. Judy received her Bachelor of Music in Piano Performance and Pedagogy from the University of Montana and completed her Music Together training in 2007.



 Amy Haymond
Amy Haymond

NVMS Alumni, Amy has been playing violin for 10 years in the Flathead Valley. She has been with the Glacier Symphony since 2011 and has an extensive resume of accomplishments!


Dan K


Dan Kohnstamm

Dan Kohnstamm is a life-long pianist who attended Juilliard Preparatory in NYC as a teenager and graduated with a B.A. in piano and organ performance from Beloit College in Beloit, Wisconsin. He has had extensive experience coaching high school band, orchestra and choir students at Whitefish High School for regional District and State music festivals. He has accompanied both the Crown of the Continent and Glacier Symphony Chorale in performance and composed music for five Whitefish Theatre Company children’s theater shows. Mr. Kohnstamm is pleased to join the staff of NVMS.


Christian Johnson 2016 Bio and Photo


Christian Johnson
Acoustic and Electric Guitar, Mandolin, Fiddle, Violin, Ukulele and Bass

Christian has been a professional musician for over  45 years and a Music Teacher in his own studio and at the North Valley Music School for the last 10 years. He an original member of the iconic Mission Mountain Wood Band. Christian is a certified Luthier and a certified Audio Engineer. He currently manages and performs with several popular bands. In addition, he mentors several young local artists.




Niki MacLean
Music Together






Jeremy Quick

A skilled musician and composer, Jeremy has been studying and enjoying music since he was a young child. He’s been performing live since 2003: nationally and internationally, solo and with groups. While Jeremy enjoys playing guitar for a myriad of bands, he also finds time to compose and tour with his original project, The JQTrio. In 2011, the group recorded an album, Live and Uncut. Jeremy Quick’s first studio album Sketches of America was released in 2016. When Quick is not performing, composing, writing, or learning about music, he’s teaching music. In Fall 2015, Quick was Artistic Associate for The Banff Centre’s Artists-In-Residence (Banff, AB, Canada). His 2014 original song, “Superhero” (available on iTunes) was an American Songwriting Award Nominee.

Don Rees
Guitar and Five String Banjo
Don has taught guitar and banjo at the North Valley Music School and played in the Flathead, since the fall of 2002. He has been a teacher/trainer for thirty years, working as an adjunct teacher and training coordinator at Flathead Valley Community College for seven years and as a member of a U.S. Forest Service training cadre from 1985 until 2001.
Here at NVMS, he teaches reading music and music theory for guitar, fingerpicking styles for guitar and flatpicking in a variety of genres focusing on bluegrass, Celtic and traditional American folk. He also instructs the five string banjo in Scruggs and melodic style. His students range from 7 to 75 years of age.


Brinn Rogers

Brinn Rogers is a dedicated and enthusiastic music educator, specializing in piano instruction.  Brinn’s childhood and youth were full of music: private piano, oboe, and voice lessons, along with participating in orchestra, band, choir, and piano performances.  As an advocate for music education, Brinn continues the tradition of music lessons in her own home with her children and also helps to encourage, foster, and support music education in the lives and homes of the students she teaches at North Valley Music School.  Brinn is a patient, energetic, creative, and dedicated piano instructor, who is deeply committed to a high standard of music education.



Sandra Vasquez
Music Linqua Instructor

Sandra is a Spanish native speaker. She was born in Mexico City and studied International Relations at the National Autonomous University of Mexico UNAM.  While in college, she discovered her passion for languages and music. Sandra is a mother of two young children who understands the importance of acquiring a foreign language at an early age. “It is amazing to see my own kids excelling in areas like math, art, and logic just because they have been exposed to a second language since…birth!” She enjoys living in Montana and loves having outdoor adventures with her husband and kids.  Inspired by numerous requests of teaching Spanish in Whitefish, MT, she is excited to finally offer the Spanish Music Lingua program at NVMS.