Since his American debut, he has given concerts in the United States, South America, Europe, Russia and Asia, including recitals in New York City, Boston, Los Angeles, Philadelphia, Cleveland, St. Louis, Kansas City, St. Paul, Atlanta, and Birmingham. He has appeared as soloist with more than seventy orchestras including the Buffalo, Oregon, Pacific, Syracuse, Memphis, Miami, Ft. Worth, Nashville and Alabama symphonies, Athens State Orchestra, the Orchestre de Lille and Orchestre Philharmonique de Montpellier in France, the Singapore Symphony, the National Symphony Orchestra of Taiwan, Orquestra Simfonica de Baleares (Spain), Daejeon Philharmonic Orchestra (South Korea) and the Moscow Philharmonia Orchestra.

Mr. Kasman is also active as a teacher and adjudicator. He was a jury member of the Busoni International Piano Competition (Bolzano), International Piano Competition in Memory of Vladimir Horowitz (Kiev), the Corpus Christi International Competition, “Merzlyakovka invites friends” All-Russian Piano Competition in Moscow, Kalinnikov International Piano Competition in Orel and for four years has judged the Rocky Mountain Amateur Piano Competition (Colorado Springs). He has been guest artist and faculty at the Piano Texas International Academy and Festival (Fort Worth), and for several years at the International Summer Music Academy in Kiev.