Felix Reyes - Operations Assistant

Born in Brentwood, New York, Felix Reyes is Operations Assistant for Sandbox Percussion, Managing Director of Pathos Trio and is a freelance chamber musician/percussionist living in Brooklyn, NY. As a performer he has performed all over the United States and has performed in several countries abroad, including Germany, Poland, Spain, Japan, Switzerland, and El Salvador.

Felix graduated with his Master’s in Percussion Performance from Bowling Green State University where he studied under the direction of marimba specialist Dr. Isabelle Huang. In furthering his specialization in keyboard percussion he’s also studied privately under marimba virtuosos Katarzyna Mycka, Ney Rosauro, and in 2016 received a Diploma in Marimba Performance at the Toho Gakuen School of Music in Sengawa, Japan, where he studied with marimba legend/virtuoso Keiko Abe.

Since then Felix has performed all across NYC in venues such as The DiMenna Center for Classical Music, Roulette Intermedium, National Sawdust, Kaufman Music Center, and had made his solo Lincoln Center and Carnegie Hall debuts in May 2018 alongside Swiss percussion soloist Fabian Ziegler, then Pathos Trio in May 2024. His current activities outside of Sandbox Percussion and Pathos Trio include working as Institutional Giving Manager for New York Live Arts, and working as a Development Manager/Grant Writer for various arts nonprofits in New York City.

Felix is a proud endorser of Adams Percussion instruments, Sabian Cymbals, Pearl Drums, and Vic Firth sticks and mallets.

Madeline Dethloff - Administrative Assistant

Maddy Dethloff is a percussionist and teacher based in western Massachusetts and the Hudson Valley. She is the percussion instructor at Mount Holyoke College in and at Deerfield Academy. She is also involved in the APS program at Bard College Conservatory of Music. Maddy has played with the Chatterbird New Music Ensemble, Roy Wooten’s New Village Orchestra, Pioneer Valley Symphony Orchestra, The Orchestra Now, and many others.

As a performer, Maddy was a winner of the Southern Adventist concerto competition and performed Séjourné’s vibraphone concerto with their orchestra in Collegedale, TN. She also performed Viet Cuong’s percussion concerto “Re(new)al” with the UMass Amherst Wind Symphony. In 2022, she performed “Castine” by Stuart Saunders Smith at the Roulette in Brooklyn, NY. In the fall of 2019, she and her colleague, Sam Carullo, organized and performed a duo concert to premiere five new works by composers from all over the country.

Internationally, Maddy has premiered music by Lila Meretzky with the marimba virtuoso, Ji Hye Jung, in Cortona, Italy. In South America, she performed in Colombia with Orquesta Colombo Americana de Vientos and, in Buenos Aires, with colleagues Ignacio Corrales and Ayano Kataoka at Centro Cultural Recoleta. She also presented a masterclass at the Conservatorio de Astor Piazzolla. In December of 2023 and Summer of 2024 Maddy has gone on tour with Grammy award winning composer Tan Dun playing in Hong Kong, and in Changsha, Qingdao, and Shanghai, China. She played the music of John Cage, as well as world premieres of Tan Dun’s arrangement of “Rite of Spring” and his new concerto for Nao Bells.

Active in her community, Maddy worked at her local New Horizons band, leading sectionals and participating in concerts with the senior citizens of Northampton, MA. From 2021-2024, Maddy has been involved with Yellow Barn, the summer fesitval in Putney, VT. Maddy has also worked for the Brooklyn-based percussion quartet Sandbox Percussion since 2019.

Maddy received her Bachelor’s at Vanderbilt University studying under the direction of Ji Hye Jung and Lee Vinson. She is an MM graduate from the University of Massachusetts Amherst where she studied under Ayano Kataoka.

Katherine Fortunato - Administrative Assistant

Praised for her “passion in every note” (Artburst Miami) and her “physically expressive, ferocious, and thrilling performances” (La Scena Musicale), Katherine Fortunato is a percussionist, educator, and arts administrator based in Brooklyn, New York. Ms. Fortunato has made a name for herself as a lively and energetic performer unafraid of genre-bending and unorthodox collaborations.

Katherine works as a freelancer in the tri-state area, and since moving to the city has performed and collaborated with Sandbox Percussion, Linda May Han Oh, Noah K, Mark DeChiazza, Excelsis Percussion, and Noise Catalogue. She performs regularly with Musica Viva NY, the New England Symphonic Ensemble, and Music in the Somerset Hills. In the spring of 2023, Ms. Fortunato made her debut in the New York opera scene as the percussionist on the world premiere of Noah K’s opera, Salvation, directed by Mark DeChiazza. This spring, she joined Heartbeat Opera as the percussionist on the world premiere of Daniel Schlosberg’s THE EXTINCTIONIST, which featured over 35 percussion instruments.

In August of 2023, Katherine performed the U.S. premiere of Linda May Han Oh’s Ephemeral Echoes at The Stone with Fabian Almazán, Eric Doob, Terry Sweeney, and Victor Caccese. She kicked off the fall of 2023 with a performance of Kevin Put’s Marimba Concerto with the Mannes orchestra at The New School as the winner of the George and Elizabeth Gregory Concerto Competition. Shortly afterwards, she began working with Excelsis Percussion Quartet, one of America’s premiere all-female percussion groups, performing across the east coast and presenting workshops and teaching students in preschools to universities.

Ms. Fortunato has worked as an administrative assistant to Sandbox Percussion since 2018 and to Christopher Cerrone since 2022. She has also worked as an assistant to Becca Stevens and Domenic Salerni (Attacca Quartet), and she has worked as the Percussion Coordinator for the Mannes School of Music Percussion Department since 2023.

A passionate teacher, Katherine educates students privately in Brooklyn, NY, and has mentored young musicians in the New Jersey Youth Symphony, the Greater Miami Youth Symphony, and the South Florida Youth Symphony. In the summer, she enjoys working as a pit percussion and drum line instructor for marching bands in northern New Jersey. She has worked as a summer percussion instructor for the West Morris Regional High School District Marching Bands since 2018.

Katherine received her Bachelor of Music degree from the Frost School of Music at the University of Miami where she studied under the tutelage of Svetoslav Stoyanov, Matthew Strauss, and Joseph Petrasek. This spring, she received her Master’s degree from the Mannes School of Music at The New School where she studied with Ian Rosenbaum, Jonny Allen, Victor Caccese, Terry Sweeney, and Glen Velez.