Office Locations in - Wheaton - St. Charles - Elgin 

Office Locations in - Wheaton - St. Charles - Elgin 

Office Locations in - Wheaton - St. Charles - Elgin 

Michael P. O'Donnell


Prior to opening the firm of The Law Offices of O’Donnell & Nierman, Ltd. in 2014, Mike worked at the DuPage County State's Attorney's Office for over 11 years, handling all types of felony, misdemeanor and traffic cases. Prior to becoming a prosecutor, Mike served as a clerk at the State's Attorney office conducting motion writing and legal research.  As an Assistant State's Attorney, he has prosecuted thousands of cases including traffic, DUI, financial crimes, Drug crimes and Assaults and Batteries and other violent crimes. Mike served in the Traffic, Misdemeanor, Juvenile and Felony Division. He has conducted hundreds of trials and hearings involving traffic offenses, DUI, theft and violent crimes. Mike has extensive experience in DUI cases, having served as the lead attorney in a DUI courtroom for three years and also prosecuting complex felony DUI cases including cases involving the blood testing for alcohol and drugs. He has also attended special training for prosecutors in DUI law.

In addition to his courtroom experience, Mike has extensive experience working with law enforcement to prepare and review cases, drafting responses to clemency petitions and writing motions.  Mike has extensive experience in law enforcement as a Military Police Officer in the United States Army Reserve. He is a graduate of two Army Military Police Officer courses and has conducted numerous investigations involving the loss of hundreds of thousand dollars of government property, accidents, use of force, shootings and misappropriations of funds. He has deployed three times to a combat zone in Iraq and Afghanistan and has earned numerous awards including being twice awarded the Bronze Star Medal for service in a combat zone. He also was the commander of a police academy in Afghanistan that trained hundreds of Afghan police officers in law enforcement techniques, human rights and crime scene investigations. For a link to a Daily Herald newspaper article on Mike's service in Afghanistan and the State's Attorney's Office click the below button: 


• Illinois, 2004 


• Phase One Command and General Staff College, 2011 

• Army Military Police Officer Captain Career Course, 2010 

• U.S. Army Composite Risk Management Instructor Course, 2010 

• Army Security Managers Course, 2006 

• Homeland Security Customs Border Clearance Agent Course, 2003 

• DePaul University College of Law, Chicago, IL, J.D., 2001

• Army Military Police Officer Course, 1995 

• Southern Illinois University, Carbondale IL, B.A. Political Science, 1994 


• DuPage County Bar Association 

• Honorably Discharged Retired Military Veteran with over 20 years of service   


o Senior Observer Controller / Trainor  75th Training Division, Arlington Heights, IL 2016 -2018

o Provost Marshall, 416th Engineer Command, Darien, IL, 2015-2016 

o Executive Officer, 327th Military Police Battalion, Arlington Heights, IL, 2013-2015 

o Commander, Bamyan Afghanistan Regional Training Center, Deployed to Afghanistan, 2012

o Operations Officer, 327th Military Police Battalion, 2009-2011 

o Aide de Camp, Commander Task Force 134 Commander, Iraq, 2008 

o Operations Officer, 327th Military Police Battalion, Deployed to Iraq, 2007-2008

o Intelligence Officer, 327th Military Police Battalion, 2006-2007

o Assistant S3, 327th Military Police Battalion, 2004-2005

o Commander, 814th Military Police Company, Deployed to Iraq and Kuwait, 2003 


• American Institute of Criminal Law Attorneys, 10 Best in Client Satisfaction, 2017 

• AVVO, Client's Choice in Criminal Defense, 2016 

• DuPage County Board, Proclamation in Recognition of Community Service, 2013 

• DuPage County State's Attorney, Most Difficult Trial Award, 2010 

• Prosecutors Bar Association, Special Commendation, 2004 

• Bronze Star Medal (2 Awards) 

• Meritorious Service Medal 

• Army Commendation Medal (2 Awards) 

• Army Achievement Medal (3 Awards) 

• NATO Service Medal  • Iraq Campaign Medal 

• Afghanistan Campaign Medal  • Global War on Terrorism Medal  

290 South County Farm Rd.

Suite O

Wheaton, IL 60187


Telephone: 630-765-7365


After Hours Call: 630-601-7927


W Jezyku Polskim Dzwon Pod Numer: 630-728-9866

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