John M. Callahan

John M. Callahan is an attorney providing legal services covering Mergers & Acquisitions and Health Care.

John Callahan, who practices law in Chicago, Illinois, was selected to Rising Stars for 2008. This peer designation is awarded only to a select number of accomplished attorneys in each state. The Rising Stars selection process takes into account peer recognition, professional achievement in legal practice, and other cogent factors.

Prior to becoming an attorney, he studied at University of San Diego School of Law. He graduated in 1994. After passing the bar exam, he was admitted to legal practice in 1994.