Tort Division Staff Listing

Tort Litigation Unit

Deputy Attorney General

Mark Klaassen

Deputy Attorney General Klaassen was raised in Gillette and has lived in Cheyenne with his wife and three children since 2009. Before joining the Attorney General’s office, Klaassen served as United States Attorney for the District of Wyoming from 2017-2021.

Prior to his appointment as United States Attorney, Klaassen spent nine years as an Assistant United States Attorney, where he handled affirmative civil and financial litigation cases across the state. During that time, he was also elected to the Board of Trustees for Laramie County School District Number One, serving from 2014-2017.

Klaassen spent time early in his career in a variety of government positions in Washington, D.C. He was appointed by President George W. Bush to serve as Chief of Staff to the General Counsel for the Department of Homeland Security from 2007 to 2009. Prior to that appointment, he was General Counsel for the U.S. House Committee on Homeland Security from 2003 to 2007.

Klaassen has experience as an appellate law clerk for the Honorable Wade Brorby of the United States Court of Appeals for the Tenth Circuit, and worked in private practice as a litigation associate with the law firm of Latham & Watkins LLP. He received his B.S. in Finance, summa cum laude, from Oral Roberts University and his J.D., magna cum laude, from Notre Dame Law School.

Senior Assistant Attorneys General

Ewa C. Dawson

Ewa was born and raised in Poland and immigrated to the United States in 2003. After receiving her law degree from Indiana University Maurer School of Law in Bloomington, Indiana she commissioned with the United States Air Force where she served as an Assistant Staff Judge Advocate for five years. During that time she advised on diversity of complex legal issues and litigated many cases as a prosecutor and defense counsel. After separating from active duty and joining the Air Force Reserve, she joined the Attorney General Office where she is currently assigned to the School Finance Litigation section. In her free time, Ewa enjoys hiking with her German Shepherd and competing in half-marathons.

Tim Miller

Tim was born and raised in Casper, Wyoming. He earned his B.S. from the University of Wyoming in 1985, and his J.D. from the University of Wyoming in 1989. He initially worked as an associate in Salt Lake City and Jackson. He returned to Casper in 1994 and joined Reeves & Murdock (later Reeves & Miller). He opened his own office in 2005 and joined the Attorney General’s Office as a Senior Assistant Attorney General in 2016.

Assistant Attorneys General

Richard Ramos

Richard serves as an Assistant Attorney General in the Tort Litigation Unit. He was born and raised in Miami, Florida. He earned his B.A. in Neuroscience from Boston University in 2015 and his J.D. from Georgetown University Law Center in 2019. Before joining the Tort Litigation Division in 2021, Richard clerked for the Honorable Michael J. Koury, Jr. and the Honorable Stephen G. Baratta in the Court of Common Pleas for Northampton County, Pennsylvania.

Tort Employment Unit

Supervising Attorney General

Peter Howard

Before joining the Tort Litigation Division in 2017, Peter worked with a private firm in Cheyenne litigating a variety of civil matters in state and federal court. Before returning to his home state of Wyoming, Peter was a Sergeant in the US Army, serving as a cavalry scout in Iraq. He graduated from the University of Wyoming magna cum laude with a B.A. in history, and earned his J.D. with honors from the University of Wyoming College of Law. Peter enjoys spending time with his family, hiking, lifting weights, and working on engines.

Senior Assistant Attorneys General

Holli J. Welch

Holli serves as an Assistant Attorney General in the State Employment Unit. She was raised in Cody, where she graduated as part of Cody High School's 100th graduating class. Holli attended the University of Wyoming for both her B.S. in Business Marketing in 2012 and her law degree in 2015. Holli worked in private practice in Cheyenne across many specialties until joining the Attorney General's Office in March 2020. She has served as the Chair of the Wyoming Young Lawyers Section, and currently serves as the Vice-Director of Membership of the American Bar Association Young Lawyers Division and as the District Representative for Wyoming and Colorado for the ABA YLD. In her spare time, she can be found with her dogs and cat, reading, cooking, and crafting.

Assistant Attorney General

Molly Duncan

Molly serves as an Assistant Attorney General with the Tort Employment Unit. She was born and raised in Arvada, Colorado but followed in her family’s footsteps and moved to Wyoming for school and never left. She earned her B.S. in Business Economics with a minor in International Business from the University of Wyoming in 2017, and her J.D. from the University of Wyoming, College of Law in 2020. While in law school, Molly was awarded the Outstanding Student Intern for the Prosecution Assistance Program. She also interned with the Denver District Attorney’s Appellate Division and County Court Division. In her free time, Molly enjoys spending time with her family, traveling, water skiing, and spoiling her only dog Tali.

Tort Personnel Unit

Supervising Attorney General

Sue Chatfield

Sue Chatfield represents state agencies in employment/personnel matters and prosecutes professional licensing matters. She was born and raised in Omaha, Nebraska, and attended the University of Nebraska at Lincoln where she obtained her bachelor of arts degree in Psychology and English in 1993. She attended graduate school for psychology at the University of Nebraska at Omaha and the University of Wyoming. Sue went on to receive her juris doctorate from the University of Wyoming College of Law in 1999. During law school, Sue interned with the Wyoming Attorney General's Civil Division and the Honorable Judge Stebner. Sue joined the Attorney General's Office in April of 2000. She is admitted to practice before the Wyoming Supreme Court, the United States District Court for the District of Wyoming, and the United States Court of Appeals for the Tenth Circuit. Sue has litigation experience in civil rights, bankruptcy, termination of parental rights, juvenile justice, adult protection, and child protection advocacy. On her time off, Sue enjoys playing volleyball, golf, tennis and pool.

Senior Assistant Attorneys General

Kelley Anderson

Kelley Anderson represents state agencies in personnel matters and prosecutes professional licensing matters. She was born and raised in Wyoming, and received her B.S. from the University of Montana in 2009. After spending two years working for a whitewater rafting company and teaching downhill skiing, Kelley returned to school and earned her J.D. from the University of Wyoming College of Law in 2014. After law school, she worked for the University of Wyoming and University of Michigan in NCAA compliance and eligibility. Kelley joined the Wyoming Attorney General’s Office in 2019.

Jessica Frint

Prior to law school, Jessica served as the Western Governors' Association Mickelson Fellow in Governor Freudenthal's administration focusing on energy issues. During law school, she served as a graduate assistant for the School of Energy Resources and the student director of the Prosecution Assistance Program. She is the recipient of the Clinical Legal Education Association Outstanding Student Award for the University of Wyoming. Prior to joining the Attorney General's Office, she was an intellectual property analyst for the University of Wyoming's Research Product Center. Jessica served for several years in the Civil Division representing professional licensing boards as board counsel. She now serves as a prosecuting attorney in the Tort Division.

Jesse Naiman

Jesse Naiman serves as the prosecuting attorney for several professional licensing boards and advises state agencies on personnel and employment matters. He also defends the State of Wyoming in civil cases and appeals in both federal and state courts. Jesse earned his JD from the University of Michigan in 2014 and clerked in Alaska after law school.

Law Clerk

Prentice Olive

Prentice was born and raised in Cheyenne Wyoming. He graduated with a B.A. in history from Thomas Edison State University in 2018. That fall, he began attending the University of Wyoming College of Law, where he earned his J.D. with honors in 2021. During law school, he interned with the U.S. Attorney’s Office in Yellowstone National Park and a private law firm. He also participated in the International Human Rights Clinic and the Prosecution Assistance Program. Prentice began working at the Wyoming Attorney General’s Office in the fall of 2021.



Contact Dawn Fiscus or

Iryna Wiggam listed below.




Dawn Fiscus

(307) 777-7242

Iryna Wiggam

(307) 777-7538




Nella Martinez

(307) 777-6170