In addition to serving as Director of Music and Communications at St. Peter’s, Bill also serves as Director of Operations and Accompanist for Palmetto Choral Collective and is an adjunct online music instructor for Lighthouse Connections Academy. He also plays piano for The Unitarian Church in Charleston and accompanies for the Taylor Festival Choir in addition to being a freelance accompanist for performances ranging from school and university concerts to musical theater auditions, classes, and productions. 

As Director of Operations for Palmetto Choral Collective, he manages member registration, payroll, database and website administration, and oversees most technological operations. In his role as accompanist, he provides piano accompaniment for rehearsals and performances.

Prior to working at St. Peter’s, Bill taught piano at Allegro Charter School of Music where he helped develop a class piano program from 6th-12th grade and students consistently earned superior ratings at SCMEA Piano Festivals.

He moved to Charleston from Pittsburgh, Pennsylvania in 2016. While in Pennsylvania, Mr. Gesin was the music department accompanist and a private piano instructor at California University of Pennsylvania and the assistant organist at Calvary Episcopal Church in Pittsburgh, Pennsylvania. Together with Chatham Baroque, Pittsburgh's renowned baroque ensemble and Calvary's Ensemble-in-Residence, Calvary performed several large works each year, including Handel's Messiah, Faure's Requiem, Durufle's Requiem, and Bach's St. John Passion. Before Calvary, he was the Director of Music at St. Stephen's Episcopal Church in Wilkinsburg, Pennsylvania. He also sang in the Bach Choir of Pittsburgh, known for its innovative programming, and was the accompanist and assistant director of The Three Rivers Choral Society. He has accompanied for festivals conducted by well-known conductors, composers, and arrangers such as Moses Hogan, Dr. Rollo Dilworth, and Dr. Lon Beery.

As a middle and high school choir director in the Pittsburgh area, his choirs performed a wide variety of sacred and secular music and consistently earned Superior ratings at adjudication festivals. The choirs grew substantially under his direction, sometimes doubling and tripling in size.

Mr. Gesin holds a Bachelor of Science degree in Music Education from Indiana University of Pennsylvania and a Master of Music degree in Music Education from Duquesne University in Pittsburgh, Pennsylvania. While at IUP he was the winner of the annual concerto competition and was a featured soloist with the IUP Orchestra in a performance of Gershwin’s Rhapsody in Blue.  At IUP he was a member of the inaugural class of the Robert E. Cook Honors College, and while at Duquesne he was inducted into Pi Kappa Lambda, a national music honor society.

Mr. Gesin lives in James Island with his husband, Scott, an Infectious Diseases Physician and the Associate Hospital Epidemiologist at MUSC, their two sons, and their rescue dog.