Bachelor of Arts | Lille | Master of Arts (postgraduate) | National Endowment for the Arts | Master of Arts | American Academy of Arts and Sciences | Electronic Arts | Museum of Fine Arts, Boston | Des Moines, Iowa | Academy of Motion Picture Arts and Sciences | Tisch School of the Arts | mixed martial arts | Institute of Contemporary Arts | École des Beaux-Arts | California Institute of the Arts | Der Ring des Nibelungen | British Academy of Film and Television Arts | École nationale supérieure des Beaux-Arts | Des Moines | University of Music and Performing Arts, Vienna | Museum of Fine Arts, Houston | martial arts | Pennsylvania Academy of the Fine Arts | Academy of Fine Arts | Beaux-Arts architecture | Mixed martial arts | Museum of Fine Arts | Arts and Crafts movement | New York Foundation for the Arts | Lincoln Center for the Performing Arts |
Cohen has played at the Palais des beaux-arts (Brussels), Círculo de Bellas Artes (Madrid), Salle Cortot (Paris), the National Theatre of Costa Rica, the Opéra national de Montpellier, the Musée des Invalides (Paris), the Skirball Cultural Center (Los Angeles), The Palais des congrès de Lyon, the Jerusalem Theatre (Tel Aviv), and the Palazzo Barberini in Rome.
Lenkiewicz has participated in many group exhibitions including Zwei Sammler: Thomas Olbricht und Harald Falckenberg in Deichtorhallen, Hamburg in 2011; as well as Babel, in Palais des Beaux-Arts, Lille in 2012.