Frank Ierulli
As a former judge with an extensive legal career spanning over three decades, Frank has the background, skill, and experience to satisfy a client's legal objectives.
- Former Circuit Court Judge in the Tenth Judicial Circuit
- Served in Peoria County State’s Attorney’s Office
- Extensive representation for municipalities & other local governmental entities
- Served in U.S. Army JAG Corps

Frank Ierulli
Attorney in Peoria, IL
Frank Ierulli is a seasoned legal professional with over three decades of experience, offering a wealth of knowledge and expertise to meet clients' legal needs.
He began his career at the Peoria County State's Attorney's Office, where he held various roles, including Chief of the Juvenile Division, Felony Prosecutor, Administrative Prosecutor, and Chief of the Civil Division. During his tenure, Ierulli represented Peoria County in civil and criminal matters across state and federal courts, gaining extensive trial experience in all criminal courtrooms in Peoria County.
Transitioning from public service to private practice, Ierulli joined Howard & Howard Attorneys PLLC, a firm with over 100 lawyers, as a shareholder. His judicial career began in 2016 when he was appointed as an Associate Judge in the Tenth Judicial Circuit. Later, he was appointed as an At-Large Circuit Court Judge by the Illinois Supreme Court, showcasing his adaptability and versatility in different legal settings.
Ierulli has remained committed to community service throughout his career. He has held leadership positions, such as President of the Abraham Lincoln Court and the Moss-Bradley Residential Association, and served as a Commissioner on the City of Peoria Zoning Board of Appeals. His involvement extends to board member positions for the Riverfront Museum and the W.D. Boyce Council of the Boy Scouts of America. Additionally, he served his country as an officer in the U.S. Army JAG Corps. His dedication was honored in 2016 when the Peoria County Bar Association recognized him with the Distinguished Community Service Award.
With his extensive background in both public service and private practice, Frank Ierulli passionately dedicates himself to the legal profession and the citizens of central Illinois. At Heyl Royster, he champions causes in Business & Commercial Litigation, Civil Rights & Correctional Healthcare Litigation, Governmental Affairs, and Medical Malpractice.
Practices
Credentials
Education
J.D., Creighton University School of Law
B.A., Loyola University Chicago
Licensure(s) and Admission(s)
State Courts of Illinois
United States Court of Appeals for the Seventh Circuit
United States District Court for the Central District of Illinois
United States District Court for the Northern District of Illinois
United States District Court for the Southern District of Illinois
Representative Community Involvement
Abraham Lincoln Court, Former President
City of Peoria Zoning Board of Appeals, Former Commissioner
Moss-Bradley Residential Association, Former President
Peoria Riverfront Museum, Former Member of Board of Directors
W.D. Boyce Council of the Boy Scouts of America, Former Member of Board of Directors
Awards/Recognition
- Distinguished Community Service Award by Peoria County Bar Association, 2016
- State of Schools Innovation Award by Peoria Public Schools, 2021
Public Profile
Frank Ierulli is a seasoned legal professional with over three decades of experience, offering a wealth of knowledge and expertise to meet clients' legal needs.
He began his career at the Peoria County State's Attorney's Office, where he held various roles, including Chief of the Juvenile Division, Felony Prosecutor, Administrative Prosecutor, and Chief of the Civil Division. During his tenure, Ierulli represented Peoria County in civil and criminal matters across state and federal courts, gaining extensive trial experience in all criminal courtrooms in Peoria County.
Transitioning from public service to private practice, Ierulli joined Howard & Howard Attorneys PLLC, a firm with over 100 lawyers, as a shareholder. His judicial career began in 2016 when he was appointed as an Associate Judge in the Tenth Judicial Circuit. Later, he was appointed as an At-Large Circuit Court Judge by the Illinois Supreme Court, showcasing his adaptability and versatility in different legal settings.
Ierulli has remained committed to community service throughout his career. He has held leadership positions, such as President of the Abraham Lincoln Court and the Moss-Bradley Residential Association, and served as a Commissioner on the City of Peoria Zoning Board of Appeals. His involvement extends to board member positions for the Riverfront Museum and the W.D. Boyce Council of the Boy Scouts of America. Additionally, he served his country as an officer in the U.S. Army JAG Corps. His dedication was honored in 2016 when the Peoria County Bar Association recognized him with the Distinguished Community Service Award.
With his extensive background in both public service and private practice, Frank Ierulli passionately dedicates himself to the legal profession and the citizens of central Illinois. At Heyl Royster, he champions causes in Business & Commercial Litigation, Civil Rights & Correctional Healthcare Litigation, Governmental Affairs, and Medical Malpractice.