The Conference and the Workshops are being held in the Donald P. Jacobs Center (Kellogg School of Management) (2001 Sheridan Road, Evanston, IL): http://goo.gl/maps/xLf0
All locations are in walking distance from the three conference hotels in Evanston.
It is advised to come to the conference site using public transportation. Parking in the city of Evanston is (mostly) metered and parking on the Northwestern campus requires a permit. Information on how to buy a permit for the duration of the conference and general parking information on the Northwestern campus can be found here.