Mr. Warren is a principal with the firm and has concentrated his practice in the area of matrimonial law since 1989. A significant part of his practice involves analysis of complex financial issues, business and real estate valuation, and cash flow analysis in connection with matrimonial matters. He has been selected and named in the "Best Lawyers in America" 2013 19th Edition; has received an AV pre-eminent rating from Martindale Hubbell; is a graduate of the American Bar Association Family Law Section Trial Advocacy Family Law Institute; and was named one of the “Top 40 Under 40 Illinois Attorneys” in 2004 by the Illinois Law Bulletin. He has been named from 2003 to present as being in the top 5% of attorneys in the field of domestic relations in the State of Illinois by the Leading Lawyers Network and was recognized as a “Super Lawyer” by the Law and Politics Magazine from 2005 to present. He has also been an Adjunct Professor at DePaul University College of Law in 2010 teaching “How to Run a Family Law Practice.” He has lectured frequently in the field of domestic relations and has authored numerous articles regarding developing case law and issues concerning child support and maintenance.

Mr. Warren is licensed to practice law in the State of Illinois and the United States District Court, Northern District of Illinois.