Mark has a broad-based litigation practice in federal and state courts focusing on complex commercial litigation, business disputes and torts.

His experience includes shareholder derivative actions, trade secrets, civil RICO, partnership and shareholder disputes, business torts, trademark and labor and employment disputes. 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.

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. Mark is also well-versed in defending deceptive trade practices act claims, and has represented national companies in such matters involving claims for penalties in excess of $1 billion. He is currently lead counsel in a national MDL proceeding involving claims of theft of trade secrets, RICO violations, Computer Fraud and Abuse Act violations, and unfair/deceptive trade practices.

Mark is a member of the firm's American Indian Law Practice Group and, in addition his private practice, has 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.

Within the firm, Mark serves as the Litigation Department administrative partner in the Las Vegas office. He has also served as a member of the firm's Executive Committee and is a former Managing Partner of the Las Vegas office.