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Daniel J. Cronin, Senior Partner


Daniel J. Cronin concentrates in workers’ compensation, general litigation, strategic advising and legal consulting.  Mr. Cronin has experience as a litigator and negotiator for public and private organizations, not for profit, as well as large and small employers.


Mr. Cronin began his legal career as a Staff Attorney and Legal Counsel in the Illinois House of Representative Minority Leader’s Office from 1985 to 1987. Mr. Cronin practiced as an Assistant State’s Attorney in the DuPage State’s Attorney’s Office from 1987 through 1989, where he obtained significant trial experience as a misdemeanor and felony prosecutor.  Mr. Cronin then practiced law at Cronin & Ruggiero from 1991 until 1993, focusing on criminal law, family law, and real estate.  In 1993, Mr. Cronin joined Power & Cronin, where he practices today.


Mr. Cronin has enjoyed a distinguished career in public service and elective office, beginning as a State Representative in the Illinois General Assembly in 1991 through 1993.  He served as an Illinois State Senator from 1993 through 2010 and served as Chairman of the Senate Education Committee from 1993 through 2002. While serving as a State Senator, Mr. Cronin also served on the Commerce and Industry Committee and the State Government Committee.  Mr. Cronin has served as Chairman of the DuPage County Board from 2010 through 2022.  Throughout Mr. Cronin’s career in public office, he has demonstrated a record of reform and bipartisanship.


While serving in the Illinois General Assembly for nearly 20 years, Mr. Cronin provided effective leadership. A few of his many accomplishments include:  Chicago School Reform of 1995, Charter Schools, Mandate Waivers, “Baby Richard” Adoption Reform Law, School Choice and Tuition Tax Credits, Road Construction and Capital Programs, RTA Reform and Restructure, Workers’ Compensation Reform, and Tort Reform.


When Mr. Cronin took on the responsibilities of Chairman of the DuPage County Board in December 2010, he redefined that mission, seeking to achieve more accountability to taxpayers through his ACT Initiative:  Accountability, Consolidation and Transparency.


Mr. Cronin stepped out of the public service arena after 32 years in elected office with a focus on the practice of law, consulting, and civic affairs.



  • Northwestern University, Bachelor of Arts
  • Loyola University Chicago School of Law, Juris Doctor



  • Supreme Court of Illinois
  • United States District Court, Northern District of Illinois
  • Supreme Court of the United States


Professional Associations:

  • Illinois Bar Association
  • DuPage County Bar Association
  • Workers’ Compensation Lawyers Association
  • Employment Law Council of the Illinois Chamber of Commerce
  • National Republican Convention Delegate, 2000 & 2008
  • DuPage Republican Central Committee Chairman, 2007-2011


Areas of Practice:

  • Workers’ Compensation
  • General Litigation
  • Strategic Advising
  • Legal Consulting