Redwood High School Teachers

John Mattern, Instrumental Music Director

Since becoming Music Director in 2004, John Mattern has tripled enrollment, mentoring hundreds of students and encouraging a lifelong study and love of music. Classical music station KDFC named Mattern 2006 Music Educator of the Year, selecting him from among 600 school music teachers in Northern California. Mattern was first drawn into music as a sax player at age 12. He got serious at age 17 when he took up the 5 string banjo and bluegrass music, and ultimately went on to earn a Masters Degree in Jazz Studies from the New England Conservatory. An eclectic multi-instrumentalist, proficient in classical, jazz, folk, rock, blues and Americana genres.  Learn more at



Susie Martone, Choir Director

Susie Martone is a vocalist and music educator based in Marin County. Susie grew up singing in school choirs and pursued a formal music education at James Madison University and Florida State University, where she earned her bachelor’s and master’s degrees in choral music education. She taught elementary music and high school chorus in Fairfax, Virginia before relocating to the Bay Area in 2009. Susie has performed at the John F. Kennedy Center for the Performing Arts as a member of the Washington Chorus, as well as other venues and choral groups in Washington, DC and San Francisco. She has directed area honor choirs in California and Nevada and presented interest sessions at local, regional and statewide music education conferences. Susie serves in leadership positions as the Choral Representative for the Marin Music Educators Association and the Junior High Repertoire and Resources Chair for the California Choral Directors Association. Under her direction, the White Hill Middle School choral program has grown to over 130 students in three different classes over the past 6 years, and her choirs regularly receive superior ratings at festivals and competitions. In addition to directing the Redwood Chorus, Susie is also the choral director at White Hill Middle School and the four elementary schools in the Ross Valley School District.


Jeff Massanari, Assistant Director Jazz and Performance Workshop

Jeff Massanari is one of the SF Bay Area’s most in-demand jazz guitarists, and has performed throughout the world with many premier vocalists and instrumentalists. In addition to performing with his own groups, Jeff regularly plays with The Johnny Nocturne Band, The Murasaki Ensemble, Swing Fever and countless other musicians in the Jazz, Blues, and World music genres. Jeff’s original compositions have been featured on network TV and video. His first four CDs received excellent reviews and he recently released Groovework, an all-original jazz-funk CD.  Jeff has taught at U.C. Berkeley, The Jazzschool, Jazz Camp West, Bruce Forman’s Jazzmaster series, and Blue Bear Music School. Jeff studied performance and composition at Boston’s Berklee School of Music. Learn more at