Diana Flesner, cello,  received her DMA from the University of Illinois, where she studied with Brandon Vamos. Originally from Gettysburg, Pennsylvania, she received her MM from San Francisco Conservatory and her BA magna cum laude from Middlebury College with a double major in Music and Russian Language/Literature. Her principal teachers have included Bonnie Hampton, Jean-Michel Fonteneau, and Dieuwke Davydov.

Always active as a chamber musician, Ms. Flesner was a member of the Cervantes String Quartet for two years, which in addition to regular concerts and recitals, performed live for WILL-FM, gave the American premier of a quartet by Edward Top, and served as Quartet in Residence for Strings in the Mountains summer music festival. While at the University of Illinois she received a full scholarship to be a member of the Graduate String Quartet and while in San Francisco she was a member of the Bravel Piano Trio. She has participated in Manchester Music Festival and The Quartet Program at Bucknell and has played in masterclasses or coached with members of the Pacifica, Miró, Miami, Kocian, Tokyo, Juilliard, Tákacs, and Kronos Quartets.

Ms. Flesner served as principal cellist for the University of Illinois Symphony Orchestra and has played with BACH (Baroque Artists of Champaign-Urbana), The Prairie Ensemble, Opera Illinois, Champaign-Urbana Symphony, Peoria Symphony, Illinois Symphony, Annapolis Symphony Orchestra, and Fairfax Symphony.