Heyl Royster

Jakob Gammons

Associate
Peoria, IL

Joined Firm in 2026

Jakob is a results-driven litigator known for his strategic mindset, courtroom excellence, and unwavering advocacy in high-stakes matters.

  • Led more than 20 bench trials
  • Tried 7 jury cases to verdict, including serving as second chair in a murder trial
Read Full Bio

Jakob Gammons

Attorney in Peoria, IL

Jakob is an associate at Heyl Royster’s Peoria office—a litigator who thrives under pressure and delivers results when it counts. Before joining the firm, he served as a prosecutor, advancing from traffic and DUI cases to leading high-stakes domestic violence prosecutions. This rich courtroom background sharpened his instincts and strategic mindset, powering his advocacy for clients in complex civil litigation, including casualty, tort, and business and commercial litigation.

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 while supporting victims of domestic violence 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 allegations 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, Criminal Law Concentration

Paralegal Certificate, The College of Southern Maryland

B.S., The University of Mississippi, Criminal Justice with an Emphasis in Homeland Security

Licensure(s) and Admission(s):

State Courts of Illinois

United States District Court for the Central District of Illinois

Professional Affiliations

Illinois State 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)

Public Profile

Jakob is an associate at Heyl Royster’s Peoria office—a litigator who thrives under pressure and delivers results when it counts. Before joining the firm, he served as a prosecutor, advancing from traffic and DUI cases to leading high-stakes domestic violence prosecutions. This rich courtroom background sharpened his instincts and strategic mindset, powering his advocacy for clients in complex civil litigation, including casualty, tort, and business and commercial litigation.

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 while supporting victims of domestic violence 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 allegations 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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