Violinist David Southorn currently enjoys a versatile career as a Concertmaster, soloist, and chamber musician. Solo highlights include performances of Beethoven’s Violin Concerto with the Fremont Symphony, Mendelssohn’s Violin Concerto with the Hendersonville Symphony, Aaron Jay Kernis’ AIR with the New Haven Symphony, and Vivaldi’s Four Seasons with the Delaware Symphony where he was lauded by Delaware Arts Info as “nothing less than brilliant … powerful sound; immaculate precision and compelling agility… impeccable phrasing and polished lyricism…a zestful performance.” As a chamber musician, he has performed with his award-winning Amphion String Quartet at Alice Tully Hall as members of the Chamber Music Society of Lincoln Center's CMS II. Southorn is the Concertmaster of the New Haven Symphony Orchestra, the Delaware Symphony Orchestra, and the Assistant Concertmaster of the New Jersey Symphony Orchestra. Southorn currently serves on the faculty of the Mannes School of Music at The New School and has taught masterclasses and sectionals recently at Yale University and the University of North Florida.

As Soloist, Mr. Southorn has appeared with the New Jersey Symphony, New Haven Symphony, Delaware Symphony, Fremont Symphony, Portland Festival Symphony, and the New York Classical Players. In February 2024 he leads a New Haven Symphony subscription week as soloist, leader (without conductor) and Concertmaster featuring concerti of Bach, Vivaldi, Piazzolla and Richter.  Based in New York City, Mr. Southorn has played with the Orpheus Chamber Orchestra and performs regularly as an extra with the New York Philharmonic, joining them on multiple domestic and international tours. Southorn has performed as guest Concertmaster with a number of orchestras including the Jacksonville Symphony, Reading Symphony Orchestra, Incheon Philharmonic (South Korea), and the Miami Symphony Orchestra. 

Highlights in his chamber music career include performances with the Amphion Quartet at Alice Tully Hall, David Geffen Hall, Carnegie Hall, Chamber Music Northwest, La Jolla Summerfest, the Tilles Center, The Library of Congress, The Phillips Collection in Washington DC, BargeMusic, Caramoor, Kneisel Hall, and the Seoul Arts Center, among many others. Southorn has performed recently as a guest artist at the Garth Newel Music Center. He has collaborated with such esteemed musicians as Anne-Marie McDermott, Carter Brey, Anthony McGill, Ani Kavafian, David Shifrin, Edgar Meyer, and the Tokyo String Quartet. The Amphion Quartet's recording with Nimbus Records was selected by the New York Times as a "Best Classical Album of 2015". They won several awards including the Concert Artists Guild competition.

Mr. Southorn received a Bachelor of Music from the San Francisco Conservatory of Music, a Master of Music and Artist Diploma from Yale University, and a Professional Studies Certificate in Orchestral Performance from the Manhattan School of Music.