Mayors of cities with populations of 30,000 may join a national organization, the
U.S. Conference of Mayors. Check out this very interesting site.
Within an individual state, mayors frequently belong to a statewide organization such as the
New Jersey Conference of Mayors.
Information about women leaders can be found at the
Center for American Women and Politics at Rutgers University.
Those interested in learning more about the city management profession should look into the
International City/County Management Association.
An Internet search using the keyword "leadership" on
Google or another search engine turns up numerous firms that offer leadership training and development programs for a price.