Along with his duties at Concordia College, Culloton is artistic director and conductor of the Fargo-Moorhead Choral Artists and also conducts the Trinity Lutheran Church Cathedral Choir. He earned a doctorate in musical arts from North Dakota State University, where he studied with Jo Ann Miller and Michael Weber. He has been recognized as the Minnesota American Choral Directors Association Young Conductor of the Year and has also received the VocalEssence Creative Programming Award from that organization. In 2009, he was a featured conductor in Never Stop Singing, a documentary about the history of choral music in Minnesota.