Mary E. Timmons has joined the board of directors of Chicago Commons. Timmons is a senior vice president and chief administrative officer in the wealth management group of The Northern Trust Company, Chicago. Prior to this, Timmons held several leadership positions in the global fund services business in Chicago, Dublin and London. Prior to joining Northern Trust as a vice president, Timmons served as director of operations for ADP Retirement Services in Deerfield. Previously, she was manager at Bank One in Columbus, Ohio. Timmons received a Bachelor's degree from Indiana University.