Ministers & Staff

Mark David Buckles • Director of Music

Mark David Buckles has served as the Director of Music at Arlington Street Church since 2007. He is a prolific composer and arranger of choral, vocal, and instrumental music and an acclaimed performer and worship leader know for his reverent spirit and infectious energy. In addition to his work at the chruch, Mark Davis also serves at the Music Director of The Sanctuary Boston and as a Lecturer in Music Theory at MIT. Mark David has also taught at Boston University and the University of Massachusetts Lowell.

Mark David received his Masters of Music in Conducting at the Boston University College of Fine Arts and his Bachelors of Music in Composition from the University of Michigan School of Music. Mark David received honors for his studies in counterpoint and harmony at La Scola Cantorum and L’Ecole Normale de Musique in Paris and is a graduate of the Conductors’ Institute at Bard College. Mark David is a native of Beverly Hills, Michigan.

Hyunju Jung • Collaborative Pianist

Hyunju Jung is an accomplished pianist with an extensive international performance career across Asia, Europe, and the United States. She has received top prizes in major international competitions, including the Special Venue Music Award, the Royal Mass International Competition, the MEDICI International Competition, the BTHVN Wien Competition, and the Salzburg International Music Competition.

Her career includes solo appearances with the Perugia Piano Festival Orchestra in Italy, as well as recitals at Carnegie Hall, the San Francisco Opera House, Harvard University, Gallery Inn in Puerto Rico, and Steinway & Sons in Scottsdale, Arizona. She was also invited to present a masterclass and solo recital at East Texas Baptist University. In Korea, she has appeared at Seongnam Art Hall, Rode Art Center, and Moonam Center.

She earned a Doctor of Musical Arts in Piano Performance from Boston University under the tutelage of Professor Boaz Sharon, dual Master of Music degrees in Piano Performance and Chamber Music from the University of Michigan, and a Bachelor of Music in Piano Performance from the San Francisco Conservatory of Music. In addition to her solo work, she is an active collaborative pianist with Coro Allegro, New England Classical Singers, Commonwealth School, and Arlington Street Church, and she is on the piano faculty at Sharon Music Academy and Brookline Music School.

Cheryl Sullivan • Director of Finance and Operations

Cheryl Sullivan has a background in non-profit finance and administration, most recently serving at King’s Chapel in Boston. She graduated from Bates College and received training in accounting from Northeastern University. Cheryl attended services at Arlington Street Church for many years before joining the staff team, bringing both professional expertise and a longstanding connection to the congregation and its mission.

When she’s not at work, Cheryl can usually be found cheering on her son, an elite rower, or chasing after her energetic dog, Salty.

Community Ministers