He was also Artist Fellow of the Aspen Institute for Humanistic Studies. He served on the Inter-Arts Panel of the NEA and also chaired the International Performing Arts Touring Committee. He has been a member of and chaired the National Endowment for the Arts Dance Panel, and was a member of the NEA's International Advisory Panel. In 1997, Marks was appointed to the US-USSR Commission on Theatre and Dance Studies of the American Council of Learned Societies, and to the Theatre Union of the USSR for 1988–89, a commission set up to foster Soviet/American cooperation in the fields of dance history, theory, criticism and practice. As educator Marks has been a pioneer in innovative dance education and outreach programs including Boston Ballet's precedent-setting Center for Dance Education's City Dance, a tuition-free ballet training program for urban public school students. Marks has taught and coached worldwide including The Beijing Dance Academy, China, International Ballet Seminar, Copenhagen, University of the Arts, Seoul, Korea et al. Marks also has created a landmark training program for Artistic Directors. As choreographer Marks has created over thirty ballets including Clockwise, Dichterliebe, Asylum, Inner Space, Don Juan, Songs of the Valley, Lark Ascending, Sanctus, Abdallah, Pipe Dreams, Don Quixote, Continuo I and Continuo II, Inscape, Shake It Up, Tales of Hans Christian Andersen, Straight from the Heart, The Parting, Fragments, La Fille Mal Gardée (with Samantha Dunster), Greenfields of America, Old Demons, et al. Marks has coached and staged works for American Ballet Theatre, The Royal Danish Ballet, National Ballet of Canada, NBA Ballet Tokyo, Boston Ballet, Ballet West, Kansas City Ballet, Nevada Ballet Theater, Louisville Ballet, [Charleston Ballet Theater, Fort Worth Ballet, Introdans and others. As consultant In 1998, Marks created ArtsVenture, Inc., a consulting firm dedicated to passing along to others the vast knowledge and insights that he has accumulated in the field. Through ArtsVenture, he has served as a consultant to the British Arts Council, Canada Council for the Arts, as well as dance companies in America such as the Fort Worth Ballet (later known as Texas Ballet Theater), José Limón Dance Company, and Louisville Ballet. Personal life In 1966, Marks married Danish ballerina Toni Lander with whom he had three sons—Erik Antony, Adam Christopher, and Kenneth Rikard. After Lander died in 1985, Marks married painter, theater-designer, and writer, Paul Fiumedoro. The two reside in south Florida where Marks is currently at work on