Violinist Daniel Stepner, a native of Milwaukee, had his first music lessons from his parents and studied with Steven Staryk in Chicago, Nadia Boulanger in France, and Broadus Erle at Yale University, where he earned his D.M.A. degree. He is a member of the Lydian String Quartet and the Boston Museum Trio, and concertmaster of the Handel and Haydn Society, which he has also conducted. He is artistic director of the Aston Magna Festival in the Berkshires. Stepner has performed and recorded a wide repertoire on period and contemporary instruments, including solo and chamber music by Buxtehude, Marais, Rameau, Bach, Vivaldi, Telemann, Mozart, Schubert, Brahms, Fauré, Ives, Irving Fine, William Schuman, John Harbison, and Yehudi Wyner. He has taught at the New England Conservatory, the Eastman School of Music, and the Longy School of Music, and he now teaches at Brandeis University and at Harvard, where he collaborates with Robert Levin in teaching the performance and analysis of chamber music.