WASHINGTON--Former President Bill Clinton hits Chicago to keynote the opening night of the Nobel Peace Laureates summit in Chicago on April 23, which kick offs with a gala at the Field Museum.

Some 700 guests are expected at the dinner to launch the three day event, which will include a series of moderated discussions led by:

• Chris Jansing, anchor and host of "Jansing and Co.," MSNBC
• Jim Frederick, managing editor, TIME International
• Jim Wooten, senior correspondent, ABC News
• Doug Brinkley, contributing editor, Vanity Fair, Los Angeles Times Book Review and American Heritage

Sean Penn, the actor and human rights activist, will receive the "2012 Peace Summit Award" at the event "for his work to rebuild and aid the victims of the devastating 2010 earthquake in Haiti, as well as his ongoing advocacy for peace and human rights protection worldwide."

The names of the laureates participating in the 12th World Summit in Chicago are HERE www.nobelsummitchicago.org/laureates