Heyl Royster

Caleb Harmon

St. Louis, MO

Joined Firm in 2023

Legal questions can prove complicated and confusing; adding money, reputation, and career prospects to the equation makes the problem even more difficult. Caleb strives to provide clients with the confidence that comes from clarity so they can rest assured that they understand their options and know the strongest path forward.

  • Licensed in Illinois and Missouri
  • Headed Missouri’s excavation safety laws enforcement for the Missouri Attorney General’s Office
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Caleb Harmon

Attorney in St. Louis, MO

Caleb Harmon is an experienced attorney who believes in the power of clear and effective communication to build trust with clients and the courts. As an associate based in the St. Louis office, Caleb draws on his background representing state agencies in Illinois and Missouri and clerking for a federal district judge to provide exceptional legal services to his clients.

Previously, Caleb served as an enforcement head for Missouri's excavation safety laws while working for the Missouri Attorney General's Office. He also represented a variety of state agencies and defended the constitutionality of Missouri statutes. Additionally, he represented the Illinois Department of Healthcare and Family Services in frequent court settings in Madison County, Illinois.

As a judicial law clerk in the Eastern District of Missouri, Caleb gained valuable experience working alongside seasoned attorneys, co-clerks, and his judge. This role provided him with a front-row seat to many cases and sharpened his legal research and writing skills. He developed a keen sense of legal judgment, which helped him craft strong arguments and strategies.

When he's not practicing law, Caleb enjoys spending time with his wife and sons, reading, and walking in Forest Park.



J.D., Washington University School of Law

B.S., Hillsdale College

Licensure(s) and Admission(s)

State Courts of Illinois

State Courts of Missouri

United States District Court for the Eastern District of Missouri

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