Specializing in motivational, career, and business areas, he has co-authored two books on underachievement and a nationally used sales test (the SalesAP, Sales Achievement Predictor), as well as dozens of articles. He can be contacted at marcus@iit.edu, 312-567-3358. The IIT Center website is www.center.iit.edu. Dr. Sandy Marcus may be contacted at http://www.center.iit.edu