O’Neil has been a ranked faculty member at the Corcoran and an instructor in screen printing since 1987. O’Neil ‘s professional practice is divided between his own projects and working collaboratively with local, national and international visual artists, engaging in experimental and innovative print related projects and programs. O’Neil founded the printmaking studio, Hand Print Workshop International (HPWI) in 1973, Washington, DC and Alexandria, VA . In 1991, he also started the non-profit Russian-American, Moscow Studio in Russia, where he was director until 1996. Support received for O’Neil’s projects and studio, include grants from: the National Endowment for the Arts, Trust for Mutual Understanding, Phillip Morris, Trellis Fund, Open Society, USIA’s “Arts America,” Abramson Family Foundation, Dreyfus Foundation and others. Exhibitions initiated through HPWI include, The Moscow Studio, a retrospective, at the Corcoran Gallery of Art, 1996, “The View from Here,” State Tretyakov Gallery, Moscow, 2000, Contemporary Art Center of Virginia, Virginia Beach and other university art galleries. HPWI prints purchased for collections which include, the World Bank, Duke University Museum of Art, Durham, NC, Corcoran Gallery of Art, Pushkin Museum, Moscow, the Library of Congress, DC and Museum of Modern Art, NY.