About Donald
Donald L. Fuller is a seasoned trial attorney based in Casper, Wyoming, with over 30 years of experience in criminal defense and personal injury law. He was admitted to the Wyoming State Bar in 1992 and has been a member since then. Throughout his career, he has represented clients in both state and federal courts, handling many cases from misdemeanors to serious felonies. His firm, The Fuller & Semerad Law Firm, is located at 242 South Grant Street, Casper, Wyoming 82601. Mr. Fuller graduated with honors from the University of Wyoming in 1988 and earned his Juris Doctor from the University of Wyoming College of Law in 1992. He began his legal career as an associate in private practice, quickly rising to partnership alongside Michael Krampner.
Upon Mr. Krampner's retirement in 2010, Mr. Fuller became the sole owner of the firm — In 2023, as he prepared for retirement, his partner, Ryan A. Semerad, took over the management responsibilities and ownership of the firm. However, Mr. Fuller remains an active member of the Wyoming Bar and continues to take on special cases. Throughout his career, Mr. Fuller has successfully tried criminal cases involving a range of offenses, including assault and battery, driving under the influence, theft, aggravated assault, armed robbery, aggravated kidnapping, and first-degree murder.
He has also handled complex cases such as aggravated vehicular homicide, white-collar crimes, stock fraud, embezzlement, drug offenses, and sex crimes. In addition to his criminal defense work, he has managed numerous personal injury and wrongful death claims, advocating for victims of police abuse. Mr. Fuller is a member of the National Association of Criminal Defense Lawyers and the Wyoming Trial Lawyers Association. He has been recognized by his peers and was selected to Super Lawyers for 2015-2025. This selection is based on an evaluation of 12 indicators, including peer recognition and professional achievement in legal practice. In 2023, as he prepared for retirement, his partner, Ryan A — Semerad, took over the management responsibilities and ownership of the firm. However, Mr.
Fuller remains an active member of the Wyoming Bar and continues to take on special cases. Mr. Fuller is a member of the National Association of Criminal Defense Lawyers and the Wyoming Trial Lawyers Association. He has been recognized by his peers and was selected to Super Lawyers for 2015-2025. This selection is based on an evaluation of 12 indicators, including peer recognition and professional achievement in legal practice.
