As a prize winner in the 2007 Bartók International Opera Conducting Competition, Mauffray has conducted performances of Bluebeard’s Castle and La Traviata, as well as scenes from La bohème, Carmen, Cavalleria Rusticana, Pagliacci, Rigoletto, Samson et Dalila, & Tosca in Romania. He then appeared as a guest conductor at the Bucharest National Opera in 2010, and he was invited by Valery Gergiev in 2011 to coach singers and conduct orchestra rehearsals at the Mariinsky Theatre in St. Petersburg, Russia.
He has conducted in 16 countries on 3 continents and developed his symphonic repertoire with regular engagements predominantly with Czech and Slovak orchestras since 1994. He has also conducted Così fan tutte at the Schleswig-Holstein Landestheater, and subscription concerts with the Augsburg Philharmonic, and Orchestre National de Lyon. His successful performance of Stravinsky’s Le sacre du printemps (taken over on 24 hours notice) with the Brno Philharmonic, led to an immediate return engagement in Mozart’s Requiem. He was then engaged as Studienleiter /Assistant Conductor at the Janáček Opera in Brno.
He has collaborated with Universal Edition in the corrections to the critical edition of Jenufa according to the original source material in the Janáček archives in Brno. In the spring of 2008 he was engaged as Studienleiter/Assistant Conductor and Czech Language Coach on Kata Kabanova with Kirill Petrenko and the Vienna Radio Symphony Orchester at the Theater an der Wien.