Born in Monett, Missouri, August 13, 1951; admitted to bar, 1975, Missouri. Preparatory and legal education, University of Missouri, Columbia (B.A., 1973; J.D., 1975). Fraternities: Phi Alpha Delta; Order of the Coif.


Trentis Miller was born and raised in Jackson, Missouri. He graduated from Westminster College in Fulton, Missouri, where he met his wife, Malissa Mautino Miller and became a member of the Beta Theta Pi fraternity. After graduating Westminster in 2004, Miller worked in the banking industry for five years before attending law school. Miller’s banking experience includes credit analyst work on complex commercial loans and participation in the bank’s senior loan committee meetings.

Miller graduated from UMKC Law School in 2012, where he volunteered at the Kansas City Tax Clinic and was a Literary Editor of the UMKC Law Review. Miller joined Chapman and Cowherd, P.C. upon graduation from UMKC and successful completion of the Missouri Bar Exam.

Miller handles general legal needs for clients while also specializing in criminal law, family law, workers’ compensation law, and landlord-tenant issues. Miller has successfully completed DWI detection and standardized field sobriety training and represents clients in DWI defense. Miller assists clients with protecting their Second Amendment rights and the drafting of National Firearms Act Trusts. Miller is admitted to practice in the Eastern and Western Districts of Missouri, United States District Courts and has also assisted with and argued cases in front of the Missouri Court of Appeals.

Miller is member of Chillicothe Rotary and Elks Club 656. Miller serves as a board member for North Missouri FCA, Hedrick Medical Center Foundation, Chillicothe Education Foundation, Main Street Chillicothe, and Chillicothe Habitat for Humanity. Miller is active in the Missouri Bar and serves as the District 1 representative on the Young Lawyers Section (YLS).

Miller’s hobbies include spending time with his family, golfing, boating, and target shooting.


Lauren Horsman was born and raised in Chillicothe, Missouri. She graduated from the University of Missouri-Columbia School of Journalism, cum laude, in 2005 and graduated from the University of Missouri-Kansas City School of Law in 2008. In law school, Lauren was selected to the Order of the Barristers and managing editor of The Urban Lawyer. While in law school, Lauren was an intern at the Johnson County, Kansas District Attorney’s Office, where she prosecuted domestic violence cases. While working at the Johnson County District Attorney’s Office, Lauren conducted numerous bench trials and her first jury trial.

Lauren began her legal career as a judicial clerk for both the Missouri Court of Appeals and Missouri Supreme Court before joining the Missouri Attorney General’s Office. As an Assistant Attorney General, Lauren defended state agencies in civil rights litigation, employment matters, and personal injury lawsuits. During her tenure at the Missouri Attorney General’s Office, Lauren successfully conducted several jury trials in both state and federal court as well as argued appellate matters in front of the United States Court of Appeals for the Eighth Circuit and the Missouri Court of Appeals. Most recently, Lauren practiced law at Bryan Cave LLP, a large international law firm, where she was a member of the Commercial Litigation Service Group and participated in litigation in both Missouri and Kansas state and federal courts.

Lauren’s practice includes all aspects of the litigation process, including case strategy, motions practice, depositions, trials, and appeals. Lauren has a wide range of experience representing clients in contract disputes, commercial foreclosure and related actions, negligence actions, general business matters, drafting of wills and estates, land disputes, child custody, and other family law matters. Lauren provides representation for all of her clients’ legal needs, with a practice primarily focused on civil litigation, estate planning, and family law.

Lauren is admitted to practice in Missouri, Kansas, United States District Courts in Missouri and Kansas, and the Eighth Circuit. Lauren is an alumna of the Missouri Bar Leadership Academy, a member of local bar organizations, Tria Sorosis, and a member of the United Methodist Church of Chillicothe (along with her husband Ryan and their two daughters). Lauren enjoys hiking, spending time with her family, raising her daughters as proud Chillicothe Hornets, and supporting the Mizzou Tigers.


Ryan Horsman was born in St. Joseph, Missouri and raised in Platte City, Missouri. He is a 2004 graduate of the University of Missouri- Columbia, where he earned a B.S. in Political Science, and a 2007 graduate of the University of Missouri- Kansas City, where he was a member of the AAJ national trial team and was awarded the Dillingham Public Service Award.

Upon graduation, Ryan began his legal career as an associate at the large national law firm of Shughart, Thomson & Kilroy, P.C. and it successor law firm Polsinelli, PC. While at Polsinelli, Ryan was a member of the business litigation practice group where he was involved in several significant state and federal lawsuits and was also charged with representing two of the law firm’s major clients in workers’ compensation proceedings. In his time with Polsinelli, Ryan was able to gain valuable insight into the litigation process from the perspective of large corporations and insurance companies.

Most recently, Ryan served in the Special Victims’ Unit (SVU) of the Jackson County, Missouri Prosecutor’s Office in Downtown Kansas City. Ryan served as lead counsel on numerous cases including: murder, rape, sodomy, statutory rape, statutory sodomy, child molestation, child abuse, domestic assault, assault, unlawful use of a weapon, burglary, robbery, armed criminal action, possession of a controlled substance, distribution of a controlled substance and driving while intoxicated.

Ryan has successfully conducted jury trials and administrative hearings throughout Missouri and uses his extensive litigation experience to represent clients in civil litigation, criminal law, family law and workers’ compensation claims.

Ryan, his wife Lauren and their two young daughters are members of the United Methodist Church of Chillicothe. In his free time, Ryan enjoys coaching youth sports, playing golf, taking family walks and cheering on the Mizzou Tigers, Kansas City Royals and Kansas City Chiefs.


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