Harold's director/music director or performance credits include Anything Goes; Batboy; Carousel; The Fantasticks!; The Full Monty; I Love You, You’re Perfect, Now Change,;The Music Man; My Fair Lady; Oklahoma!; Smokey Joe’s Café; The Sound of Music; Sweeney Todd; Thoroughly Modern Millie; The Wild Party (Lippa); and The World Goes Round. Harold has taught across the country and the world, including Tshwane University in South Africa. He holds a Weitzenhoffer Endowed Professorship and received a Doctorate degree in Vocal Performance from the University of Washington.