Dr. Ryan Graebert is the Principal cellist of the Salisbury Symphony, the Assistant Principal of the Winston Salem Symphony, and a member of the Greensboro Symphony. In 2018, he performed the Dvorak Concerto with the Salisbury Symphony. He performed the Beethoven Triple in 2016 with the Danville Symphony. And, in 2009, he was an artist in residence with the Hilton Head Symphony performing as a concerto soloist and giving multiple chamber music recitals. Additionally, Dr. Graebert has given masterclasses, solo/lecture recitals, and chamber music recitals throughout the country.

Cellist Dr. Karl Ronnevik hails from west central Minnesota, where he grew up on a farm. He began cello at the age of ten and eventually pursued studies in music and business at Concordia College in Moorhead, MN. After earning two graduate degrees in cello performance at The Hartt School in Connecticut, he moved to Greensboro in 2013 to pursue his doctorate. As an orchestral cellist, chamber musician, and soloist, Dr. Ronnevik performs regularly throughout the region and has given concerts across the United States and Europe. He has shared the stage with a wide range of eminent musicians including Joshua Bell, Sting, The Eagles, Nadja Salerno-Sonnenberg, Harry Connick, Jr., Béla Fleck, Amy Grant, and Boyz II Men. Dr. Ronnevik maintains a teaching studio in Greensboro where he lives with his wife (a violist) and two children. He plays on a 2019 Jon van Kouwenhoven (Hartford, CT) cello.