Heyl Royster

Jakob Gammons

Associate
Peoria, IL

Joined Firm in 2026

A former prosecutor with extensive jury trial experience, Jakob now defends businesses and public entities in high-stakes civil litigation.

  • First-chaired seven jury trials and more than ten bench trials as an Assistant State’s Attorney and argued contested evidentiary motions weekly.
  • Defends businesses, public entities, and public officials in commercial, casualty, and Section 1983 litigation in Illinois state and federal courts.
  • Advises clients on business transactions, real estate closings, and secured-creditor matters, including replevin and foreclosure proceedings.
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Jakob Gammons

Attorney in Peoria, IL

Jakob is an associate in Heyl Royster’s Peoria office, and his experience as an Assistant State’s Attorney continues to shape how he prepares every civil matter. After first chairing jury and bench trials across a felony docket, he now brings sharpened instincts, strategic judgment, and a trial-ready approach to complex civil disputes in Illinois state and federal courts.

Jakob’s approach is grounded in meticulous preparation, a discipline forged while balancing multiple jury dockets as a prosecutor. He treats every case as trial-ready, ensuring his clients benefit from strong, proactive representation from day one. His clients value Jakob’s clear communication, responsiveness, and genuine empathy—qualities honed as a prosecutor and now central to every client relationship.

Respected by colleagues and judges for his diligence, drive, and positive attitude, Jakob brings enthusiasm and a sense of humor to his practice—always striving for excellence in every case. His insight into how high-stakes disputes are tried and resolved gives his clients a strategic edge—helping them assess risk, gain leverage, and achieve efficient, favorable outcomes.

Outside the office, Jakob is an avid moviegoer and has set a goal to learn to play the piano.

Credentials

Education:

J.D., The University of Mississippi School of Law

B.S., The University of Mississippi, Criminal Justice 

Licensure(s) and Admission(s):

State Courts of Illinois

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

Approved Guardian Ad Litem for the Tenth Judicial Circuit of Illinois

Professional Affiliations

Illinois Defense Counsel

Illinois State Bar Association

National Bar Association

Peoria County Bar Association

Presentations/Publications

Publications:

“Private Military Companies and the Law of Armed Conflict: Shining a Spotlight on Invisible Armies,” Mississippi Law Journal (2024)

Awards/Recognition

  • The National Black Lawyers Top 40 Under 40

Public Profile

Jakob is an associate in Heyl Royster’s Peoria office, and his experience as an Assistant State’s Attorney continues to shape how he prepares every civil matter. After first chairing jury and bench trials across a felony docket, he now brings sharpened instincts, strategic judgment, and a trial-ready approach to complex civil disputes in Illinois state and federal courts.

Jakob’s approach is grounded in meticulous preparation, a discipline forged while balancing multiple jury dockets as a prosecutor. He treats every case as trial-ready, ensuring his clients benefit from strong, proactive representation from day one. His clients value Jakob’s clear communication, responsiveness, and genuine empathy—qualities honed as a prosecutor and now central to every client relationship.

Respected by colleagues and judges for his diligence, drive, and positive attitude, Jakob brings enthusiasm and a sense of humor to his practice—always striving for excellence in every case. His insight into how high-stakes disputes are tried and resolved gives his clients a strategic edge—helping them assess risk, gain leverage, and achieve efficient, favorable outcomes.

Outside the office, Jakob is an avid moviegoer and has set a goal to learn to play the piano.

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