He also serves as Director of Music at First Presbyterian Church of Owensboro, Kentucky. Professor Jewett has taught extensively in areas of the boys changing voice. He was guest lecturer at St. Olaf College, the University of Minnesota, and the Curso International de Regencia Coral in Rio de Janiero, Brazil as well as workshops for the Voice Care Network, Iowa ACDA, and the Hartt School Summer Choral Symposium. As a church musician, he has served as Minister of Music at First Baptist Churches in Dandridge, TN, Fort Valley, GA, Arlington, TX, and Shreveport, LA as well as for 16 years as Director of Music at the Good Samaritan United Methodist Church in Edina, Minnesota.