Mark practices primarily in complex commercial litigation and real estate litigation. He has a broad-based litigation practice in federal and state courts focusing on complex commercial matters, including shareholder/partnership disputes, commercial transactions, complex real estate issues, banking and lender issues, as well as advocating for plaintiffs in catastrophic injury and bad faith claims. As a practicing lawyer with an M.B.A. degree, Mark approaches clients’ matters from both a legal and business perspective and offers practical and efficient solutions.

Mark has been quoted concerning real estate and litigation issues in the Wall Street Journal, Los Angeles Times, Las Vegas Review Journal, Las Vegas Sun and in numerous other newspapers and online news sources, as well as appearing on Fox Business Network, Face to Face with Jon Ralston and “In Business” on Las Vegas One.

Throughout his years of legal experience, Mark has been involved with hundreds of arbitrations and mediations across a broad spectrum of legal matters. He has served as lead counsel in more than 75 jury and court trials in state and federal courts and has also appeared before numerous administrative tribunals. In addition to his private practice, Mark served as a Justice of the Supreme Court of the Oglala Sioux Nation. He has represented various individuals and entities in Tribal Court matters ranging from partnership dissolution, employment and corporate matters, as well as personal injury claims. 

Mark has served as president of the South Dakota Trial Lawyers Association as well as a member of the Board of Governors of the South Dakota Trial Lawyers Association. In addition, Mark served as chair of the South Dakota State Bar Negligence and Tort Law Committee. 

Within the firm, Mark serves as the Litigation Department Chair in the Las Vegas office.