Crain's exclusive Who's Who is back with over 400 names you should know. Since last year's publication, Chicago has elected a new mayor and seen subsequent shake-ups in City Hall, faced comings and goings among corporate and civic leaders, celebrated emerging movers and shakers and said goodbye to veteran figureheads. From esteemed chefs to lawyers, real estate magnates to educators, philanthropists to entrepreneurs and everyone in between, Crain's presents an authoritative guide to power in Chicago.