PETOSKEY -- Petoskey-based psychologist William Nicholson, Ph.D., recently assumed the chairman's position on the Michigan Psychological Association's board.

Nicholson has been a member of the Michigan Psychological Association for more than 30 years. In 2012, he served as president-elect on the association board. The association noted that Nicholson brings extensive insight, wisdom, and dedication to the association and the profession of psychology.

The Michigan Psychological Association is an organization of more than 1,000 psychologists working to advance psychology as a science and a profession and to promote the public welfare by encouraging the highest professional standards, offering public education and providing public service, and by participating in the public policy process on behalf of the profession and health care consumers. It is the Michigan affiliate of the American Psychological Association.