Board of Directors

Linda Rappaport (Chair)
Jason Treuting
Laifun Chung
Mark DeChiazza
Robert Sirota


Mari Takeda - Administrative Assistant

Mari Takeda is a percussionist and arts administrator from Northern Virginia, currently based in NYC. She received her B.M. in Percussion Performance with a minor in Business of Music at the Peabody Conservatory of Johns Hopkins University and is currently pursuing her master’s in Arts Administration at Teachers College at Columbia University. She has worked at Lincoln Center for the Performing Arts as a Performance Marketing Intern and theD.C. Jazz Festival in Washington D.C. as an event assistant.

As an administrative assistant for Sandbox Percussion, she assists with marketing and development.


Felix Reyes - Studio Manager

Having a strong background in studying keyboard percussion with marimba virtuosos Keiko Abe, and Dr. Isabelle Huang, is constantly looks for ways to incorporate his chamber marimba training with his interest in contemporary Japanese music and social activism. As a native to New York, has performed with chamber ensembles throughout New York City in venues such as National Sawdust, Kaplan Penthouse at Lincoln Center, Kaufman Music Center, and universities across the U.S. such as Indiana University, Princeton University, the University of Notre Dame, Cincinnati Conservatory of Music, Humboldt State University, and the University of Georgia. Felix has also performed in recitals internationally in countries such as El Salvador, Japan and Germany.

Over the years in his travels he has also performed in numerous international percussion workshops such and has worked with countless acclaimed international artists and composers that include all members of Sō Percussion, Katarzyna Mycka, Ney Rosauro, Jean Geoffrey, Michael Colgrass, Dai Fujikura, Jennifer Hidgon, and Kaoru Watanabe.

Felix currently lives in New York City where he works as studio manager for Sandbox Percussion, performs in several chamber groups as a freelance percussionist such as SoundVox and Symmetrio, and teaches percussion privately in various capacities, including a roster of students from Brooklyn and Long Island, NY. His current performance activities include preparing for upcoming performances in Alicante, Spain with marimbist’s Magdalena Myrczik and David Almagro Garcia as percussion chamber trio Symmetrio, preparing for duo performances in China with German percussionist Sebastian Gokus, and preparing Vic Firth premieres of new commissions by composers Christos Hatzis, Wally Gunn, and Alan Hankers.

Felix is a proud endorser of Vic Firth sticks and mallets.

More info can be read on his website at:


Aaron Levin – Grant Research

Composer Aaron Israel Levin writes music that is guided by the emotional dynamism of storytelling and drama. He draws from a variety of musical and non-musical influences to create compositions that are both personal and wide-ranging. He has collaborated with Fifth House Ensemble, loadbang, the Bent Frequency Duo, and mezzo-sopranos Kayleigh Butcher and Lisa Neher. Originally from St. Paul, Minnesota, Levin earned his BA in music from Grinnell College in Iowa, where he studied composition with Eric McIntyre and John Rommereim. He is currently pursuing his MM in composition at the Yale School of Music where his teachers have included Martin Bresnick, Hannah Lash, and Christopher Theofanidis.