About
Ethan J. Leingang is an associate attorney at Kelsch Ruff Kranda Nagle & Ludwig in Mandan, North Dakota. His practice covers family law, criminal defense, estate planning, collections, contracts, and business law. He also participates in governmental and administrative lobbying matters. This combination of legal work brings him into disputes involving individuals and families, as well as issues affecting businesses and public policy.
Ethan earned a Bachelor of Business Administration in Banking and Financial Economics from the University of North Dakota, graduating summa cum laude. He received his J.D. from the University of North Dakota School of Law in 2023. During his legal studies, he clerked at Coleman Family Law and completed an externship with the Fiscal Division of the Legislative Council during North Dakota’s 68th Legislative Assembly.
Ethan worked with Dakota Venture Group during his undergraduate years, serving first as Managing Associate and later as Managing Director of Business Development. He also interned with U.S. Senator John Hoeven’s office in Washington, D.C., in 2019. His combination of business, legislative, and legal experience informs his work on contracts, business matters, collections, and administrative issues alongside criminal and family law matters.
Ethan J. Leingang is admitted to practice in North Dakota and Montana. His experience with business finance, legislative operations, and legal practice gives him insight into problems that cross commercial and governmental settings. He has also worked with clients in cases affecting families and the rights of people accused of crimes. He uses that background to help clients understand their options, address disputes, and work through legal requirements involving both private interests and public agencies.
Law Office Affiliations
- Attorney, Kelsch Ruff Kranda Nagle & Ludwig
- Member, State Bar Association of North Dakota
- Member, State Bar of Montana
Licensed State
- North Dakota
- Montana
Education
- University of North Dakota School of Law
Juris Doctor (JD) - University of North Dakota
Bachelor of Business Administration (BBA) in Banking and Financial Economics
Awards & Badges


- Administrative
- Adoption
- Business
- Child Custody
- Contracts & Agreements
- Criminal Defense
- Divorce & Separation
- Domestic Violence
- Estate Planning
- Family
- Guardianship
- Marriage & Prenuptial Agreements
- Paternity
- Restraining Orders
- Venture Capital
- Wills & Living Wills




