In addition to visiting positions, Reynolds has also given master classes around the world, in places such as Buenos Aires, Thessaloniki, Porto Alegre, IRCAM, Warsaw, the Sibelius Academy in Helsinki, and the Central Conservatory of Music in Beijing. Furthermore, he has been a featured composer at numerous music festivals, including Music Today and the Suntory International Program in Japan, the Edinburgh and Proms festivals, the Helsinki and Zagreb biennales, the Darmstadt Courses, New Music Concerts (Toronto), Warsaw Autumn, Why Note? (Dijon), Musica Viva (Munich), the Agora Festival (Paris), various ISCM festivals, and the New York Philharmonic's Horizons.