Greg Haynes is a Connecticut-based percussion artist and composer. His current body of work features immersive soundscapes crafted with percussion instruments, found objects, video elements, and live signal processing techniques.

As a performer, Haynes has played with a diverse selection of ensembles including the Hartford Symphony Orchestra, New Haven Symphony Orchestra, Longmont Symphony, Midwest Chamber Ensemble of Kansas City, Banda Sinfonica de Santa Fe in Argentina, Marimba Sol de Chiapas, Celtic Cross Pipes and Drums of Danbury, and the Redemption Sound Setters steel orchestra of Tobago. As a soloist, Haynes has performed concertos for percussion by Keiko Abe, Allan Bell, Michael Daugherty, Joseph Schwantner, and Ney Rosauro. He has premiered new percussion concertos by Craig Fitzpatrick and Kerwin Young and performed solo recitals throughout the United States and internationally.

As a composer, Haynes frequently writes commissioned work for percussion, chamber music, electronics, and visual media. His electro-acoustic compositions have been featured in music festivals including the New York City Electroacoustic Music Festival, the ISM Percussion Festival in Santa Fe, Argentina, and the Electronic Music Midwest festival in Kansas City, KS. His recent short film scores can be heard in documentaries on PBS member stations and Amazon Prime Video. Several of his recent compositions are published through C. Alan Publications and the Percussive Arts Society.

Haynes serves as Associate Professor of Music at Western Connecticut State University where he teaches coursework in percussion, music business, and audio production. In years previous to his current employment, Haynes served on the faculties of Western Colorado University, Missouri Western State University, and Missouri Southern State University. He holds degrees in cognitive science and music, including a Doctor of Musical Arts degree in percussion performance. Additional training includes a professional certificate in advanced music production from Berklee Online, supplementary coursework through the Eastman School of Music, and course audits at IRCAM, Institut de Recherche et Coordination Acoustique/Musique, in Paris, France. His research is published in journals and conference proceedings in the fields of both music and computer science.