He is also the publisher and editor of Spring Publications, which publishes books on archetypal psychology, symbolic imagination, art and the philosophy of art, phenomenology, the philosophy of psychology, religion, mysticism, and gnosis.
At The Phillips Collection, he has organized the exhibitions Karel Appel: A Gesture of Color; Hiroshi Sugimoto: Conceptual Forms and Mathematical Models; Angels, Demons, and Savages: Pollock, Ossorio, Dubuffet; and Per Kirkeby: Paintings and Sculpture; and oversaw the installation of the Phillips’s new permanent installation, a Wax Room created by Wolfgang Laib. Dr. Ottmann has curated more than 50 international exhibitions, including Jennifer Bartlett: History of the Universe. Works 1970–2011; Still Points of the Turning World: SITE Santa Fe’s Sixth International Biennial; Life, Love, and Death: The Work of James Lee Byars; Wolfgang Laib: A Retrospective; and Strange Attractors: The Spectacle of Chaos. His publications include Yves Klein by Himself: His Life and Thought, The Genius Decision: The Extraordinary and the Postmodern Condition, and The Essential Mark Rothko. In 2006, he translated and edited Yves Klein's complete writings, Overcoming the Problematics of Art: The Writings of Yves Klein, and in 2010 he translated F.W.J. Schelling’s Philosophy and Religion (1804).
Dr. Ottmann received a M.A. in philosophy from the Freie Universität Berlin, Germany, and a Ph.D. in philosophy from the Division of Media and Communications at the European Graduate School in Saas-Fee, Switzerland.
In 2016 Dr. Ottmann was awarded the Medal of Chevalier of the Order of Arts and Letters. Created in 1957, the Order of Arts and Letters (Ordre des Arts et des Lettres) honors notable artists and writers, as well as others who have significantly contributed to furthering the arts in France and around the world.
- Wolfgang Laib: A Retrospective, ISBN 3-7757-0944-4
- The Essential Mark Rothko, ISBN 0-8109-5826-0
- James Lee Byars: Life, Love, and Death, ISBN 3-7757-1368-9
- The Genius Decision: The Extraordinary and the Postmodern Condition, ISBN 978-0-88214-575-4
- Thought Through My Eyes: Writings on Art, 1977–2005, ISBN 978-0-88214-578-5
- Overcoming the Problematics of Art: The Writings of Yves Klein, ISBN 978-0-88214-568-6 (translator)