The Commission on Presidential Debates (CPD) is a nonprofit corporation established in 1987 under the joint sponsorship of the Democratic and Republican political parties in the United States. The CPD sponsors and produces debates for U.S. presidential and vice-presidential candidates and undertakes research and educational activities relating to the debates. It has run all of the presidential debates held since 1988. The commission's debates are sponsored by private contributions from foundations and corporations as well as fees from hosting institutions.