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You're more than

just a case.


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Michael J. Diaz attended Southern Illinois University at Edwardsville, graduating with a Bachelor of Science degree in Business Administration with specializations in Marketing and Finance. He then earned his Juris Doctor from the Northern Illinois University School of Law in 1981.


Mike practiced law in the Chicago area before joining his father's law firm in Alton, IL. He is a third-generation lawyer. Prior to opening his own firm, Mike was corporate counsel for American Equity Mortgage in St. Louis.


Mike and his wife of 34 years, Linda, reside in Godfrey, IL and have 2 grown sons.

Michael J. Diaz has been in the practice of law for more than 34 years and serves Greenville,

IL and the nearby communities of Vandalia, Carlyle, Edwardsville, Highland, Hillsboro and Alton.

Experience you can count on

About Michael J. Diaz

  • Illinois State Bar Association

  • Alton Wood River Bar Association - (Secretary 2013, Vice President 2014, President 2015)

  • Bond County Bar Association 

  • Greenville Commercial Club - (Vice President 2011, President 2012-2013)

  • Greenville Chamber of Commerce - (Vice President 2015-2016, President 2016 - Present)

  • Certified Family Mediator

  • Voted Best Attorney in Bond County 7 Years in a Row (2010-2016) by the Readers of the Bond & Fayette County Shopper

Bar Admissions:

Professional Affiliations And Memberships Include:


  • Illinois

  • U.S. District Court for the Northern District of Illinois

  • U.S. District Court for the Southern District of Illinois