Boston-based violinist Susannah Foster performs and teaches internationally on modern and baroque instruments, and has appeared throughout North America, Europe, and Africa under the baton of artists such as Riccardo Muti, Kurt Masur, Jaap Van Sweden, Rafael Frühbeck de Burgos, John Williams, Christoph Eschenbach, Giovanni Antonini, Herbert Blomstedt, Oliver Knussen, and Michael Tilson Thomas. She has performed with ensembles including the Handel + Haydn Society, Orchestra of the Age of Enlightenment, Boston Baroque, Emmanuel Music, Les Bostonades, Arcadia Players, Grand Harmonie, Ars Musica Chicago, Phoenix Orchestra, Newton Baroque, New World Symphony, Civic Orchestra of Chicago, Harvard Baroque Chamber Orchestra, Tafelmusik Winter Institute, and at the Oregon Bach Festival.

As a soloist and chamber musician, she has won top prizes at competitions including Northwestern’s Thaviu String Competition, the Williams Chorale Performing Arts Scholarship Competition, and the International Chamber Music Foundation of New England Ensemble Competition, and was a recipient of the Tanglewood Jules C. Reiner Violin Prize. She has served as concertmaster of the Civic Orchestra of Chicago, Tanglewood Music Center, Music Academy of the West, and Northwestern University Symphony Orchestras, and has performed frequently with the New World Symphony. Historical performance festivals include the Valley of the Moon Chamber Music Festival, Oregon Bach Festival's Berwick Academy, the Tafelmusik Winter Institute, and the International Baroque Institute at Longy.

A passionate educator, Susannah serves as violin and viola faculty at the Cambridge Music Consortium and the Dana Hall School of Music, and as chamber music faculty at the German International School of Boston. Previously, she held faculty positions at the Northwestern University Music Academy and the People's School of Music in Chicago, and worked extensively with the Boston Youth Symphony Orchestras' Intensive Community Program. She holds a Master of Music and Bachelor of Music from Northwestern University, where she was the teaching assistant to Blair Milton and Stacia Spencer.

Susannah has played for Emanuel Ax, Yo-Yo Ma, Julia Fischer, Arnold Steinhardt, Joseph Silverstein, Esa-Pekka Salonen, and Menahem Pressler, and studied chamber music with Pamela and Claude Frank, as well as members of the Guarneri, Takacs, Juilliard, Vermeer, and Cleveland String Quartets. Her principal teachers include Blair Milton, Almita Vamos, and Gerardo Ribeiro, and she has studied baroque violin with Marc Destrubé and members of the Tafelmusik Baroque Orchestra.