Hersey is a National Endowment for the Arts Composition Fellow. His diverse career has encompassed; commissions from Harvard University, New Mexico Council for the Arts, The Brooklyn Bridge Centennial Sound and Light Spectacular, The HVP Symphony Orchestra, and performances throughout the US and Europe in such different setting as the Berlin Jazz Festival and MTV. He has also composed extensively for television. He has been a student of yoga and overtone singing for 16 years. He has studied with Sri K. Pattabhi Jois in Mysore India and with The Gyuto Monks.