Civil Division Staff Listing

AG Employment Opportunities

Deputy Attorney General

Ryan Schelhaas
Ryan grew up just south of the border in Longmont, Colorado. After graduating high school, Ryan moved to Laramie and attended the University of Wyoming earning both his degree in business marketing in 1996 and law degree in 1999. Ryan began his career as a civil litigator with Hirst Applegate in Cheyenne. After spending over four years with Hirst Applegate, Ryan joined the Civil Division of the Wyoming Attorney General's Office in November 2003. Ryan began his career with the Office as a tax litigator representing the Wyoming Department of Revenue before the Wyoming Board of Equalization, various state district courts, and the Wyoming Supreme Court. His practice areas eventually broadened to also include the Department of State Parks and Cultural Resources, Wyoming Military Department, Wyoming Livestock Board, Wyoming Banking Commissioner, Department of Audit, and various licensing boards.

Ryan was promoted in 2006 to supervisor for the Regulatory/Administrative Law Section of the Civil Division. During his time as the Section supervisor, he helped lead a team of talented attorneys who represented various clients, including the Office of State Lands and Investments, State Loan and Investment Board, State Board of Land Commissioners, Secretary of State, State Auditor, Retirement System, Department of Administration and Information, Insurance Commissioner, Public Service Commission, Environmental Quality Council, Business Council, Department of Agriculture, and roughly forty to fifty licensing boards and commissions. Ryan was subsequently promoted to deputy of the Civil Division in March 2015 where he leads an excellent team of attorneys and paralegals who make up the Division's two sections - the Regulatory/Administrative Law Section and the Fiscal/Financial Section. The Division consists of eleven attorneys and two paralegals. In addition to providing day-to-day legal advice to the Division's many clients, the Division attorneys also litigate and argue cases before Wyoming's state and federal courts, the Wyoming Supreme Court, Wyoming Board of Equalization, and the Office of Administrative Hearings.

Supervising Attorneys General

Karl Anderson
Karl was born and grew up in Salt Lake City, Utah, where he attended East High School. He graduated from the University of Utah in 1990 with a B.S. in Finance. Shortly thereafter, he moved to Laramie, Wyoming, where he attended the University of Wyoming College of Law. After graduating with a JD in 1994, he practiced civil law as an associate at Dray, Madison and Thomson in Cheyenne, Wyoming. In 1999, he joined the Wyoming Attorney General's Office. Karl represented the Department of Revenue and Audit in numerous state taxation appeals before the State Board of Equalization, various District Courts, and the Wyoming Supreme Court.  In July, 2015, Karl was promoted to the supervising attorney for the Tax Division. 

Mackenzie Williams
Mackenzie has been a Wyoming resident since age 15. After earning a B.S. degree in psychology, Mackenzie worked as the Community Outreach Coordinator at Albany County SAFE Project in Laramie, assisting survivors of domestic violence, sexual assault, and elder abuse while conducting outreach and community education efforts in those areas. He left that position to attend law school and graduated with honors and Order of the Coif from the University of Wyoming College of Law in 2007. During law school, he published a case note for the Wyoming Law Review, served as the case note editor for that publication, a legal writing teaching assistant, and worked two semesters in the prosecution assistance clinic after a summer internship with the Criminal Division of this office. 

After graduating, Mackenzie served as staff attorney for the Honorable E. James Burke of the Wyoming Supreme Court for two years and followed that by serving one year each as a law clerk for the Honorable Alan B. Johnson and Honorable Nancy D. Freudenthal of the United States District Court for the District of Wyoming. Mackenzie joined the Attorney General's Office in 2011. During that time, he has primarily represented the Department of Education, State Board of Education, Professional Teaching Standards Board as well as special projects as needed, though his practice has expanded considerably since becoming a supervisor in the Civil Division. Mackenzie volunteers as an attorney coach for the East High School mock trial team and was a founding board member of Legal Aid of Wyoming.

Senior Assistant Attorneys General

Lisa Jerde Spillman

Lisa Jerde Spillman is a Senior Assistant Attorney General in the Civil Division of the Wyoming Attorney General’s Office. Lisa represents the Wyoming State Treasurer, the Wyoming Retirement System and its Board, the Wyoming Department of Revenue, and the Wyoming Department of Enterprise Technology Services. She provides day-to-day advice, contract negotiation, representation, and litigation services to these clients in administrative proceedings and state and federal court. Her practice areas thus include administrative and constitutional law, securities and capital markets law, tax and pension law, computer, cyber, and intellectual property law, and business, commercial, and contract law.


Lisa clerked for Honorable Manuel L. Real, United States District Court Judge in Los Angeles, in 2003 and 2004. She graduated magna cum laude from Chapman University School of Law in Orange, California, where she received the School’s 2003 Dean’s Award for leadership and service. She managed her own law practice, mostly doing appeals, for nearly ten years at the Law Office of Lisa M.J. Spillman in Ventura before moving to Cheyenne in 2014 with her husband and family.


During law school, Lisa externed for Honorable Terry J. Hatter, Jr., United States District Court Judge in Los Angeles and for Honorable Arthur Nakazato, United States Court Magistrate Judge in Santa Ana. She has a BS in Business with an emphasis in Management Information Systems and a Minor in Russian from the University of Minnesota, and a Master’s degree in Clinical Psychology from Antioch University. She worked in the computer industry and managed a division of a non-profit before returning to school for her JD. She grew up on a ranch near Sturgis, South Dakota and enjoys the law and spending time with her family, hiking, running, reading, and skiing.

Megan Nicholas
Megan joined the Wyoming Attorney General’s Office in 2008. From 2008 to 2014, she represented the Department of Revenue and Wyoming Retirement System. Since 2014, Megan has represented Wyoming State Parks and Cultural Resources and the Office of State Lands and Investments.

As the attorney for the Office of State Lands and Investments, Megan also represents the State Forestry Division and the five elected officials in their capacity as the State Loan and Investment Board and Board of Land Commissioners. In that role, she has been involved in a wide range of civil matters, from wildfire litigation to oil and gas disputes. Megan has appeared before state and federal courts on behalf of the State and successfully argued a case of first impression before the Wyoming Supreme Court involving the free public services doctrine.

Megan’s education includes a B.S. in Journalism from the University of Kansas, a J.D. from Texas Wesleyan University School of Law, and an LL.M. in Taxation from the University of Denver, Strum College of Law Graduate Tax Program. She is a member of the Texas, Colorado, and Wyoming Bars.

Mike Robinson
Mike joined the Wyoming Attorney General's Office in 2007. Mike represents the The Wyoming Secretary of State, The State Auditor, the Public Service Commission, the Business Council, the Division of Banking, the Collection Agency Board, The Real Estate Commission, the Certified Real Estate Appraiser Board, the Department of Tourism, the State Canvassing Board, and the State Librarian. Mike provides day-to-day legal advice on the myriad of issues faced by these clients, assists with contracts, provides representation in administrative legal proceedings, and state and federal courts. Mike is also responsible for representing state agencies in federal bankruptcy proceedings.

Mike's diverse clientele provides him with a varied legal experience that includes election law, securities, corporate law, trademarks and copyrights, bankruptcy, and contract law. Mike also does special projects, which have included complex cases involving constitutional issues, software contracts, and conservation easements. Mike litigated and settled, in the State's favor, a significant conservation easement case that ensured that thousands of acres of ranching land would remain undeveloped and used as productive agriculture land and wildlife habitat preservation consistent with the original landowner's intent. In 2014, Mike served on a panel at the annual meeting of the National Association of State Charities Officials in Washington D.C. and presented a review of the role of state attorney generals in the modification and termination of conservation easements.

Mike earned his J.D. from the University of Wyoming in 1993 and a B.A. at Michigan State University in 1990. He clerked at the Wyoming Supreme Court for the Honorable G. Joseph Cardine (1993-94) and Larry L. Lehman (1994-96). He served as a staff attorney at the Wyoming Public Service Commission (1996-98) and clerked for Wyoming Supreme Court Justice, the Honorable William U. Hill (1998-2007).

Assistant Attorneys General

Assistant Attorneys General

Leo Caselli
Leo became a tax attorney with the Attorney General's Office in 2014. He previously clerked for the Wyoming Supreme Court, and worked as a trial-level public defender in Laramie County. He received a law degree from the University of Wyoming, graduating with honors, order of the coif, and an excellence in advocacy award. During law school, he was also a contributing member of the law review. Before becoming an attorney, he worked in a wide variety of positions in food service, construction, landscaping, and the outdoor recreation industry. Leo enjoys skiing, snowboarding, mountain biking, road biking, mountaineering, science fiction, home-brewing, and writing in his spare time. His publications include: One Small Step for Juveniles, One Giant Leap for Juvenile Justice, 11 Wyo. L. Rev. 269 (2010) (scribes award), Nuclear Demilitarization Treaties in a New Era of Manned Nuclear Spaceflights, 77 J. Air. L. & Com. 641 (2012) (issue feature), and Sane Solutions to the Crazy Lack of Mental Health Care in Prisons, 2 Mental Health L. & Pol'y J. 43 (2013) (peer-reviewed). Leo represents several state agencies: Construction, Administration & Information, Revenue, and Audit, along with the State Building Commission and School Facilities Commission. His experience includes many jury, bench, and administrative trials in different areas, along with testimony before multiple legislative committees.

Jonathan Coppom
Jonathan Coppom represents a number of Wyoming’s agencies including the Department of Insurance and several professional licensing boards. His representation requires both advising clients and, when necessary, seeking solutions in court. Jonathan has argued motions in district court, handled contested cases before the Office of Administrative Hearings, and successfully defended the State of Wyoming in an appeal before the Wyoming Supreme Court.

Before joining the Wyoming Attorney General’s Office, Jonathan attended the University of Denver Sturm College of Law where he graduated Order of the Coif. During law school, Jonathan served the Denver University Law Review on its Executive Board as the Online Editor, competed as a member of the National Trial Team, and served the Colorado Supreme Court as an intern under the Honorable Brian D. Boatright. His article on offender registration laws, Married to the Past, 93 Denv. U. L. Rev. Online 23 (2015), was recently published in the Denver University Law Review Online. Prior to law school, Jonathan worked for several years both selling and underwriting employee benefit plans for two Fortune 500 insurance carriers.

Katherine Leuschel
Katherine divided her time growing up between Dallas, Texas and Santa Fe, New Mexico. She graduated summa cum laude from Texas Christian University in 2013 and received her J.D., with honors, from the University of Texas School of Law in 2016. While in law school, Katherine served as the Editor-in-Chief for the Texas Environmental Law Journal and worked for several governmental entities, including the Texas Association of School Boards, the Lower Colorado River Authority, and the Texas Water Development Board. Katherine joined the Wyoming Attorney General’s Office in August 2016 and represents the Wyoming Department of Education and the State Board of Education. If Katherine is not in the office, she’s either cooking a delicious meal or getting lost on the side of a mountain somewhere.

James Peters
Jim was born and raised in St. Paul, Minnesota. He received his B.S. in political science from the University of Wisconsin-La Crosse in 2012 and his J.D., with honors, from the University of Wyoming College of Law in 2016. While at the University of Wyoming, Jim served on the Wyoming Law Review Editorial Board. His article on the Fourth Amendment can be found at 15 Wyo. L. Rev 571. He joined the Civil Division of the Wyoming Attorney General’s Office in 2016 and represents various professional licensing boards as board counsel and the Wyoming Military Department. In his free time, he enjoys hiking, golfing, and snowboarding.

Daniel Solish
Daniel Solish is a law clerk in the Civil Division of the Wyoming Attorney General's Office. In 2008, he graduated from Cornell University with distinction in all subjects and subsequently received his J.D. from the University of California, Los Angeles School of Law. During law school, Daniel served as the Chief Managing Editor of the Pacific Basin Law Journal and a research assistant for the former Dean, Rachel Moran. Daniel began his legal career as a law clerk for the Honorable Randolph A. Rogers and Brian C. Yep of the Los Angeles Superior Court and a research attorney at the Santa Clara Superior Court. Daniel is a member of the State Bar of California.


Sherry Griffin
(307) 777-7886

Shellie Colgan
(307) 777-8929