About Mark Yocum
Mark Yocum, a seasoned criminal defense attorney in Cheyenne, Wyoming, combines his extensive law enforcement background with a passion for protecting individual rights. Born in Casper and closely connected to Cheyenne, Mark's upbringing included a love for Wyoming's hunting and fishing traditions. He graduated from Natrona County High School in 1996 and earned a bachelor's degree in criminal justice from the University of Wyoming at Casper College in 2001.
Mark began his career as a Wyoming Peace Officer with the Wheatland Police Department in 2000. He later served as a Deputy Sheriff in Sheridan for two years before completing his 20-year law enforcement career in Cheyenne. By 2020, Mark had decided to pursue law, believing he could better serve the community and uphold constitutional rights.
In 2023, Mark graduated with a Juris Doctorate with Honor from the University of Wyoming, College of Law. During his time in law school, he gained valuable experience working in the Defender Aid Clinic and completing an externship with Chief Justice Fox of the Wyoming Supreme Court.
Mark married Rachel in 2003, and together they have four daughters. He enjoys teaching them elk hunting and cherishes family camping trips. Mark also actively participates in his daughters' activities, such as softball, marching band, basketball, and music recitals.
The information on this page is for general informational purposes only and does not constitute legal advice. Consult a licensed attorney for advice about your situation.
Practice Areas
Wyoming Car Accident Laws
Understanding Wyoming's accident laws is critical when pursuing a claim. Here are the key legal rules that apply to your case:
Statute of Limitations
4 years
Time limit to file a claim
Negligence Rule
modified comparative fault (51%)
How fault is determined
Min. Insurance (BI/PD)
$25K/$50K/$20K
Per person/per accident/property
Insurance System
At-Fault
At-fault driver's insurance pays
Frequently Asked Questions
What is Mark Yocum's educational background?
Mark Yocum graduated with a bachelor's degree in criminal justice from the University of Wyoming at Casper College and earned his Juris Doctorate with Honor from the University of Wyoming, College of Law.
What experience does Mark Yocum have in law enforcement?
Mark Yocum served as a Wyoming Peace Officer and Deputy Sheriff, concluding a 20-year career in law enforcement before transitioning to law.
What inspired Mark Yocum to pursue a legal career?
Mark Yocum decided to attend law school to better serve the community and uphold constitutional rights after his career in law enforcement.
What are Mark Yocum's personal interests?
Mark Yocum enjoys elk hunting, camping with his family, and attending his daughters' extracurricular activities.
Contact Information
Need Legal Help?
Contact Mark Yocum for a free consultation about your accident case.
Call for Free ConsultationAfter an Accident
- 1Seek immediate medical attention
- 2Document the scene & gather evidence
- 3File a police report
- 4Don't speak to insurance adjusters alone
- 5Contact Mark for a free case review
Other Lawyers in Cheyenne

Aspen Legal


