He is also an Associate of the Center for Philosophy of Science at the University of Pittsburgh, and on the Advisory Board of the C. G. Jung Analyst Training Program of Pittsburgh, the Advisory Board of Janus Head, and the Editorial Board of the Journal of the Society for Existential Analysis. His books have been reviewed in numerous journals and newspapers, including The New York Times Book Review, The New York Review of Books, The Economist, The New Statesman, and many other magazines.