The International Berkeley Society (IBS) is a US-based organization that is aimed at promoting interest in the life and work of the philosopher Bishop George Berkeley. The society was established in 1975 and now has members all over the world, among them Nancy Kendrick (Wheaton College, vice-president since 2013), Colin Murray Turbayne (United States), Wolfgang Breidert (Germany), Katia Saporiti (University of Zurich, Switzerland), Geneviève Brykman (France, a former vice-president), James William Harold Hill (the Czech Republic), Miłowit Kuniński (Poland), Timo Airaksinen (Helsinki University, Finland, vice-president from 2006 to 2013), Roomet Jakapi (Estonia). Members pay a nominal annual fee and receive the Berkeley Briefs, an annual publication that includes news items and other announcements of interest to the Society and its members. The journal Berkeley Studies is published by Hampden-Sydney College on behalf of the society. Its President is currently Stephen H. Daniel (Texas A&M University). The IBS conducts a variety of activities, e.g. runs conferences.
The IBS annually awards the Turbayne Prize to a member of the society who has written the best essay on an aspect of Berkeley’s philosophy. Recipients of the award include: