Mark Calkins maintains an active career as a Rossini Tenor in both the US and Europe. Recent engagements include appearences at the festivals in Salzburg, Brenegenz, Merano, and Villach with Roger Norrington and the London Classical Players. Lindoro in L'Italiana in Algeri for Opera Nantes, Opera der Stadt Koln, DGOS Opera of Chicago, Opera Omaha, Detroit's Michigan Opera Theatre, and Minnesota and Dayton Operas; Nemorino in L'Elisir d'Amore for Opera Columbus and Indianapolis Opera; Ottavio in Colorado Opera Festival's Don Giovanni; and Don Ramiro in La Cenerentola for Castleward Festival Opera, Belfast, Kentucky, and Mississippi Operas.