Joanna McCoskey Wiltshire is a clarinetist, teacher and conductor based in Wilmington, DE. She is an Adjunct Professor of Music at the University of Delaware: Georgetown where she teaches courses in Music Appreciation and History of Rock. Previously, she was the sabbatical replacement for Dr. Christopher Nichols at the University of Delaware: Newark in Spring 2024 teaching clarinet lessons and clarinet ensemble. During that appointment, she completed a faculty recital and performed James M. David’s “Auto ‘66” as a guest concerto soloist with the UD Wind Ensemble. Joanna is on the clarinet faculty at the Music School of Delaware and frequently leads sectionals for the clarinet section of the Delaware Youth Symphony Orchestra. Prior to collegiate teaching, Joanna worked with the non-profit organization, Play on Philly, where she taught group clarinet classes to beginners and middle school students. Before moving to DE, her private teaching appointments were at the UNCSA Community Music School in Winston-Salem, NC, Upbeat Music Company in Lewisville, NC and St. Mary’s Music Academy in High Point, NC. Joanna currently serves as the Delaware State Chair for the International Clarinet Association.

In addition to her work as a clarinet instructor, Joanna is also an active performer. She has played with the Newark Symphony Orchestra, Wilmington Community Orchestra, Philadelphia Wind Symphony, Greensboro Symphony, Winston-Salem Symphony, Greensboro Opera, Piedmont Wind Symphony and Charleston Symphony Orchestra. Joanna has performed at international and national conferences including the International Clarinet Association’s “ClarinetFest,” The College Music Society’s National and International Conferences, The North American Saxophone Alliance Conference, The North Carolina Music Educator’s Association Conference, the American Single Reed Summit, and Sigma Alpha Iota’s Annual National Conference. A champion of new music, Joanna has commissioned and been part consortiums for composers such as Stacy Garrop, Jenni Brandon, Theresa Martin, Mikhail Johnson, Brian Nabors, Jessica Mays, John Russell, Robin McLaughlin, Megan DiGeorgio, Pax Ressler, Joshua Weitz and Dalton Regnier.

In 2025, Joanna completed her Doctor of Musical Arts degree in Clarinet Performance from the University of North Carolina at Greensboro studying with Dr. Andy Hudson and Dr. Anthony Taylor. Her dissertation document is titled, “Employing Speech Disorder Research to the Clarinet Lesson.” In 2020, Joanna completed a Post-Baccalaureate Certificate in Clarinet Performance from UNC Greensboro. She received M.M. degrees in Clarinet and Wind Conducting Performance in 2018 from the University of Delaware (UD) where she studied with Dr. Christopher Nichols, Dr. Lauren Reynolds, Dr. Chad Nicholson, and Dr. Michael Knight. Prior to returning to school for her Master’s, Joanna was a middle school band director at Seaford Middle School in Seaford, DE. She also received her B.M. in Music Education from UD in 2014. During her time at UD, Joanna served as the principal clarinetist of both the Wind Ensemble and Symphony Orchestra, along with conducting the UD Collegiate Band, Wind Ensemble, Symphonic Band and Clarinet Ensemble.