Bart founded Crosby Associates in 1979. The firm focuses primarily on the planning and design of organizational, product, event, and initiative identification and branding programmes. Bart has been executive vice president and a director of the American Institute of Graphic Arts and is a founding member and past president of the AIGA Chicago Chapter. In 2002 he was made a fellow of the Chicago Chapter, and in 2005 he was awarded the AIGA Medal in recognition of exceptional achievements and contributions to the field of graphic design. A graduate of the American Academy of Art, he is a frequent lecturer at conferences and universities and has served as adjunct associate professor at the University of Illinois at Chicago. Before establishing Crosby Associates, he held leadership positions in Chicago design firms including Design Consultants Incorporated, the Centre for Advanced Research in Design, and RVI Corporation.