The Dallas Symphony Orchestras has appointed Stuart Stephenson as principal trumpet, Matthew Sinno as associate principal viola, and Hayley Grainger as associate principal flute. Hyorim Han has joined the second violin section, and Minji Kim and Zexun Chen have joined the cello section. In addition, Maurice Cohn will continue as the orchestra’s assistant conductor for the 2022-23 season.

STUART STEPHENSON joins the Dallas Symphony Orchestra as principal trumpet. Stephenson has been the principal trumpet of the Atlanta Symphony Orchestra since 2013, and has performed with the New York Philharmonic, Los Angeles Philharmonic, National Symphony Orchestra, and Kansas City Symphony. Stephenson is on faculty at the Aspen Music Festival and School and has performed at the Sun Valley Summer Symphony, Grand Teton Music Festival, and Mainly Mozart Festival. He is also on faculty at Emory University and maintains a private studio. Stephenson holds a bachelor’s degree from the Juilliard School and a master’s degree from Northwestern University.

MATTHEW SINNO, the DSO’s new associate principal viola, was associate principal and acting principal viola of the Kansas City Symphony. He has performed with the New York Philharmonic, Philadelphia Orchestra, and Saint Paul Chamber Orchestra. Solo appearances include the Kansas City Symphony, Music Academy International Festival Orchestra, and Boston Youth Symphony. He attended the Perlman Music Program, Music Academy of the West, and Colorado College Music Festival. Sinno received his bachelor and master of music degrees from the Juilliard School, where he won the 2014 Juilliard Concerto Competition, and earned a post-baccalaureate diploma from the Curtis Institute of Music.

HAYLEY GRAINGER is the DSO’s new associate principal flute. She has been second flute/piccolo at the Rochester Philharmonic Orchestra since September 2019, when she also began teaching at the Eastman Community Music School. Before joining the Rochester Philharmonic, she was second flute/piccolo with the Chattanooga Symphony and Opera. Grainger has won several flute competitions. Grainger graduated from Boston University’s College of Fine Arts in 2013 and earned a master’s degree at the University of Texas at Austin. She toured Europe and performed in Carnegie Hall as a member of the Boston Philharmonic Youth Orchestra.