Hailed as “every inch the hero in stature and voice” (Classical Voice North America), award-winning American tenor John Riesen is consistently impressing audiences with his "impassioned...and vibrant" voice (Opera Today). Seen around the globe, he has performed at Carnegie Hall, Lincoln Center, Pacific Symphony, Dallas Symphony Orchestra, Vegas Philharmonic, Buffalo Philharmonic, Portland Symphony, Detroit Opera, Shreveport Opera, Pensacola Opera, Williamsburg Symphony Orchestra, Phoenix Symphony Orchestra, Virginia Symphony, Utah Symphony, the Southwest Michigan Symphony Orchestra, the Flint Symphony Orchestra, the Brevard Music Center Orchestra, Intermountain Opera Bozeman, Opera Birmingham, Nashville Opera, Opera Roanoke, Des Moines Metro Opera and many more.

John was also seen on NBC's America's Got Talent as part of the Finalist group Metaphysic, singing "Nessun Dorma" as the voice of Howie Mandel. This performance hailed as, "The best act of the series" by Simon Cowell.