Peter Sulski, director of the Clark Sinfonia, was for many years a member of the viola section of the London Symphony Orchestra. A graduate of the Eastman Conservatory at the University of Rochester, he gave his Carnegie Hall debut in 1999 and London debut in 2001. For two years he was Head of Strings of the National Palestinian Conservatory and has also lived in Cyprus where he performed with the Cyprus Chamber Orchestra. Since returning to his native Worcester, he has been working on the faculties of Clark University, College of the Holy Cross, Anna Maria College, University of Massachusetts at Lowell, and the Joy of Music Program, in addition to his many performance projects. Peter is presently a member of Mistral, the touring group of the Andover Chamber Music Series and Quartet X, based out of Boston.

Anita Sulski graduated from the Royal College of Music, London, in 1998. She has performed chamber music with members of the London Symphony Orchestra. Appointments have included a faculty position at the National Palestinian Conservatory and membership of the first violin section of the Cyprus Chamber Orchestra. Currently Anita performs regularly in the New England region and is on the faculty at Anna Maria College, Clark University, and the Joy of Music Program in Worcester.