He has received recognitions for his work from the ASCAP/Morton Gould Composer Awards, the Bourges International Electroacoustic Music Competition, the 21st Century Piano Commission Competition, the Forum Biennial Musiques en Scène, and the Society for Electro-Acoustic Music in the United States. He has received commissions from the Nouvel Ensemble Moderne, the 21st Century Piano Commission Competition, Duo Velocities percussion duo, trombonist Elliot Chasanov, violinist Chia-Ying Hsu, and choreographer Justin Jacobs, among others. Ritz's music has been performed throughout the United States, as well as in France, Italy, Germany, Russia, Canada, and Chile.