Kerry P. Brennan has served as Music Director of Mastersingers USA since 2020. A founder of MUSA, he performed as Associate Conductor since its beginning in 1996.

Brennan has had a distinguished career as an educator and musician. In June 2024, he retired after a twenty-year tenure as Headmaster of
The Roxbury Latin School in Boston. Founded in 1645, Roxbury Latin is widely recognized as one of the most distinctive and most distinguished
independent schools in the Nation. Prior to that post, Brennan was Headmaster of New York City’s Collegiate School following a long term as principal of both campuses (K-8 and 9-12) of Cleveland’s University School. His 48-year career in education started during his days as an undergraduate at Amherst College when he directed the Amherst Freshman Glee Club and the Amherst Zumbyes and subsequently he was named Acting Director of the world-renowned Amherst College
Glee Club and founder of the Amherst College Chorus. His secondary teaching career began at Roxbury Latin at which Brennan served as Director of Music, taught English, Chaired the Arts Department, coached, and advised. Throughout his 46 years as a teacher and leader in independent schools, Brennan has always taught music or directed musical ensembles.

Brennan has had a long, productive career as a choral conductor. He studied with Bruce McInnes, Iva Dee Hiatt, and Jameson Marvin. Early in his career, he was also a professional singer, pianist, musical theatre performer and director, and organist. In 2006, Brennan founded The Sly Voxes, a 14-man a cappella group he continues to direct. He is also a composer, and especially, an arranger having produced several works for men’s chorus. Brennan’s choirs have performed in cathedrals
throughout Europe including at Notre Dame de Paris, Chartres, Rouen, Stefansdom in Vienna, St. Mark’s in Venice, and at St. Peter’s Basilica in Rome.

A native of Schenectady, NY, Brennan graduated from its public schools. He is a magna cum laude graduate of Amherst College majoring in music and political science. Subsequently, he was a Klingenstein Fellow at Columbia University’s Teachers College at which he received a master’s in philosophy and education. He has served in a number of leadership capacities including as resident of the International Boys’ Schools Coalition (300 schools, 200,000 students worldwide) and as President of The Headmasters’ Association. Brennan lives in Boston.