Convention Clinicians

Mary Jane Phillips
Mary Jane Phillips is a 1989 cum laude graduate of Texas Christian University with a Bachelor of Music Education in Choral Music.  She has been teaching in Texas for the past 19 years, with the past 16 years in Birdville ISD. She currently teaches at North Ridge Middle School in North Richland Hills.  She is the immediate past Secretary/Treasurer of the Texas Choral Directors' Association and a member of PTA, Texas Music Educators' Association, Texas Choral Directors' Association, Texas Music Adjudicators' Association, American Choral Directors' Association, Pi Beta Phi and Mu Alpha Theta. She lives in Watauga with her husband Troy and daughter, Zoe.



Ken Rosfeld
Prof. Ken Rosfeld serves as "Professional in Residence" at Southern Nazarene University where he teaches the music business related courses. He has been professionally involved in the recording studio business in Oklahoma City since 1989 and has been a recording business owner since 1995. He enjoys black and white photography, architecture, art history, and spending time with his wife and son.



Joshua Oppenheim
Joshua Oppenheim received his B.M. in Choral Conducting from Western Michigan University. After successful teaching in elementary, middle and high schools in Michigan, he was a Teaching Fellow at the University of Mississippi where he earned his M.M. in Choral Conducting. He subsequently served as director of the Music Department at Arkansas State University - Beebe, before beginning his D.M.A. in Choral Conducting at the University of North Texas. While at North Texas he taught courses in Choral Conducting and conducted the 120-voice U.N.T. Men's Chorus. In 2005, Dr. Oppenheim founded the professional chamber ensemble "In Voce" based in Dallas, Texas. At the Crane School of Music he conducts the 60-voice Crane Men's Ensemble, the Potsdam Community Choir and teaches Choral Conducting and Secondary Choral Methods. Dr. Oppenheim has presented sessions at numerous ACDA conferences in California, Colorado, Connecticut, Georgia, Indiana, Iowa, Kansas, Nebraska, Pennsylvania, South Carolina and at the Western and Southwestern Division ACDA conventions.