Larry Lee Hensel is Emeritus Professor of Music at the University of Wyoming, USA, where he was Head of the Vocal Arts Area, Director of Opera Theatre, and Opera in a Gym (an educational operatic touring ensemble for elementary school audiences). A Certifi ed Teacher of the Alexander Technique since 2007, he has conducted workshops in Alexander Technique and Body Mapping for music departments in universities across the United States and was a Guest Artist at the Puppetry Center in Atlanta, Georgia. He holds a D.M.A. and an M.M. in Vocal Performance and Literature from the Eastman School of Music.

Alexander Kahn is Professor of Music at Sonoma State University, USA, where he directs the Sonoma State Symphony Orchestra and teaches courses on conducting, music appreciation, and music history. In addition to his educational activities, he has worked with professional and festival orchestras across the United States and throughout Europe. Currently he serves as Assistant Conductor for the Santa Rosa Symphony, as well as Music Director of the Vintner's Chamber Orchestra, a professional chamber orchestra that performs at wineries throughout Sonoma and Napa counties.