Sō Percussion is…

Board of Directors

Dr. Dawn Batson
Astrid Baumgardner, JD, PCC
Walter K. Booker
Jazmin Correa
Rachel Elson (Treasurer)
Charles Fournier
Jonathan Greeney
David Lang
Steve Mackey
Russell Makowsky (Chair)
Michelle Preston (Vice Chair, Secretary)
Grace Row
Dr. Larry Snider
Catherine Koh Stillman

Artist Members


Eric Cha-Beach has been a member of Sō Percussion since 2007. A consummate percussionist, he loves to learn new instruments (like the musical saw), integrating them into diverse setups. Eric has composed a number of pieces for Sō.

more about Eric


Josh Quillen has been a member of Sō Percussion since 2006. In addition to being an all-around percussionist, Josh is an expert Steel Drum artist, having studied in Trinidad and immersed himself in Steel Band culture. Josh has composed a number of pieces for Sō.

more about Josh


Adam Sliwinski has been a member of  Sō Percussion since 2002. Adam is particularly interested in keyboard instruments, especially marimba and piano. His diverse projects also include conducting and writing about music.

more about Adam


Jason Treuting is a founding member of Sō Percussion. A drumset specialist, Jason has pioneered an innovative drum set practice within the new music sphere. He is also a composer, having written Sō’s first album of original music Amid the Noise.

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After nearly two decades with groundbreakers Bang on a Can, Tim’s ready to bring vision and strategy to an already thriving community of drummers, composers and thinkers. He’s very much an active playing and recording musician/composer with bands Babe the blue OX, the Amphitheaters and under his own moniker Timothy James Thomas.

more about Tim



Kelly Watkins (she/they) has forged a diverse path in the arts as a performer, educator, conductor, and administrator. From the stage to the behind-the-scenes action, Kelly is equally at home facilitating success at all levels.

more about Kelly



Emily Motherwell is Sō Percussion’s in-house press and marketing director and consultant. She founded and runs her own firm called Other Arts.

more about Emily



Alex Appel recently graduated with a Master’s Degree in Percussion Performance from NYU under the direction of Jonathan Haas.

more about Alex


Aaron Edgcomb is a drummer and percussionist whose work appears in
many contexts including improvisational music, new music, noise, and
song. Aaron

more about Aaron


Daniel Matei is a New York based Hungarian-Romanian percussionist, composer, improviser with a keen interest in the collaborative and ever-evolving nature of music.

more about Daniel


McKenzie Squires is a percussionist with a passion for world music, research, composition and most importantly performing with fellow musicians.

more about McKenzie


​​Sachi Gullbrants is a Brooklyn-based percussionist and arts administrator originally from Las Vegas, NV. She recently graduated from Northwestern University with a dual degree in Percussion Performance and English as a Phi Beta Kappa and Summa Cum Laude scholar.

more about Sachi