Giving master classes and teaching are great passions of Jennifer. She believes that the well being of the singer relates  not only to the mastery of their technique but also to their state of mind. To date, she has given classes in Atlanta, Kennesaw, Belgrade, Manchester, London, Paris, Luxembourg, New Orleans, New York, Caltagirone, Greve in Chianti, Perugia, Valetta, Santiago, San Francisco, Los Angeles, Oberlin, Princeton, Chicago, Saint Louis, Quebec, Sion, Lausanne, Nangis and Berlin.