On March 29, 2013 the Columbia-Princeton Probability Day was hosted at Princeton University. The annual meeting, which is jointly organized by Columbia University and Princeton University, featured four distinguished speakers, Alice Guionnet (MIT), Michel Ledoux (Toulouse), Elchanan Mossel (Berkeley), and Assaf Naor (NYU), as well as two junior speakers, Marcel Nutz (Columbia) and Percy Wong (Princeton), and was widely attended by a diverse audience.