Meet Our Team

We Ensure Quality Representation


Stacy M. Kirven

Owner/Managing Attorney
*Licensed in Wyoming & Montana

Born in Dallas, Texas, Stacy M. Kirven has lived in Sheridan, Wyoming since she was 6 years old. Stacy received her Bachelor of Arts degrees in both Criminal Justice and Political Science from Gonzaga University in Spokane, Washington.  Stacy earned her Juris Doctorate degree a semester early, graduating in December of 2014 from the University of Wyoming College of Law. 

Stacy spent her first four years of practice as an Associate Attorney with a local law firm in Sheridan before opening Kirven Law, LLC.  Stacy has ample experience in representing clients with domestic relations issues, including: divorce, establishment of paternity, establishment of custody and visitation, child support, custody modifications, adoption, termination of parental rights, and guardianships.  In addition to family law, Stacy has expertise in criminal defense matters, immigration issues, workers' compensation, and appellate issues before Wyoming District Courts and the Wyoming Supreme Court.  Stacy is also a certified mediator and mediates family law issues, as well as non-legal matters such as workplace disputes, neighbor disagreements, contract issues, and any other disputes that may arise.

Stacy is a past Vice President of the Sheridan County Bar Association, and past Secretary on the Board of Directors for Legal Aid of Wyoming, Inc.  Stacy currently serves as the Vice President of the Board of Directors for the Sheridan County Dog & Cat Shelter.  From 2015-2017, Stacy was a contract public defender with the Office of the State Public Defender for the State of Wyoming. Stacy has also served as a guest faculty member for the University of Wyoming College of Law's Trial Practice Program. 

When she is not at the office, you can find Stacy spending time with her husband, three children, and golden retriever named Ginsburg.

Tonia L. Klepperich

Law Clerk

Tonia L. Klepperich is a Sheridan native. Tonia graduated magna cum laude with a Bachelor of Arts Degree from Chadron State College in 2015. Tonia graduated from the Mitchell Hamline School of Law with her Juris Doctorate degree in May 2020.  Based in St. Paul, Minnesota, Mitchell Hamline is the first law school of its kind, offering the first hybrid law program accredited by the American Bar Association.  Tonia will sit for the Wyoming Bar Exam in September 2020.

Over the past ten years, Tonia has gained experience in different areas of legal system. She spent approximately five years working for the Wyoming Department of Transportation where she issued citations, conducted safety inspections, and appeared in Court involving Commercial Driving violations. Tonia also spent approximately five years working for the City of Sheridan as the Clerk of Municipal Court where she assisted the Municipal Court Judge and Prosecutor in preparing a managing the Court docket.  Before making the move to Kirven Law, LLC, Tonia was a legal assistant at a local law firm.

Because Tonia's law school was a hybrid program, she has had the unique ability to gain first-hand experience in the legal field in Sheridan, Wyoming, where she would like to stay and continue contributing to the community by way of providing legal services.  When Tonia becomes licensed in Wyoming, she will focus her practice primarily on Trusts & Estates, Property, Contracts, and Bankruptcy Law.  

When Tonia is not in the office she spends her time enjoying the Wyoming outdoors with her family.

Kirven Law, LLC

T: (307) 763-4048

F: (307) 333-0393

147 W. Burkitt St.
Sheridan, WY 82801

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