 His articles on gay marriage have appeared in "Newsweek", "The Advocate", and "Anderson Cooper 360".Solomon has lectured widely on depression, including at Princeton, Yale, Stanford, Harvard, MIT, Cambridge, and the Library of Congress.He is a Distinguished Associate of the Centre for Family Research at Cambridge University; a director of the University of Michigan Depression Center, Columbia Psychiatry, and Cold Spring Harbor Laboratory; a member of the Board of Visitors of Columbia Medical School, and the Advisory Boards of the Mental Health Policy Forum at Columbia Mailman School of Public Health and the Depression and Bipolar Support Alliance.