Ronald Rosier, Lewis Roca Photo

Ronald N. Rosier

Of Counsel
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Ron Rosier is an accomplished lawyer with more than 20 years of Indian law experience. His practice focuses on the representation of tribal governments in the areas of Federal Indian law, economic development, business law, and gaming law. He provides legal advice to tribal economic development authorities and corporations, and to entities seeking to do business with Indian tribes.

Economic Development

Ron's economic development experience includes representing clients in commercial leasing and land development projects, government infrastructure projects, acquisition of rights of way/easements, the development of new commercial enterprises, and the reorganization of existing business entities. He also provides legal advice to tribal governments regarding third party commercial leasing and development of allotted trust land. In addition, Ron advises tribal clients regarding tribal-state tax issues involving governmental and commercial activities. He also has experience in management contracts, business licensing and suitability issues, and tribal corporate governance.

Gaming Law

Ron's gaming law experience includes tribal gaming law and regulatory issues, gaming licensing and state suitability issues, casino operational issues, gaming equipment purchases, and compact disputes with the state regulatory departments. He has also served as legal counsel for tribal gaming commissions and also advised tribal clients regarding new casino development projects.

Tribal Government

Ron has experience in government policy and procedure, government development projects, tribal-state tax issues, and tribal matters involving elections, per capita payment programs, employment, enrollment and tribal housing programs. He has extensive experience drafting tribal codes and policies and regularly works as team lead on multi-disciplinary projects. He handles large projects for tribes and shepherds them through the tribal council approval process, including the Bureau of Indian Affairs approval process for those projects that require such approval.

More About Ronald N. Rosier


  • J.D., Arizona State University - Sandra Day O'Connor College of Law, 1995
  • B.S., English, Northern Arizona University, 1991

Bar Admissions

  • Arizona
  • Navajo Nation

Court Admissions

  • U.S. District Court, District of Arizona
  • U.S. Court of Appeals, Ninth Circuit
  • Hopi Tribal Court


  • State Bar of Arizona, Indian Law Section, Member
  • Native American Bar Association of Arizona, Member

Representative Matters

Commercial Lease and Land Development Experience

Some of Ron's experience includes the following commercial lease and land development projects:

  • Honeywell Jet Aircraft Testing Facility, 157 acre leased premises
  • Vee Quiva Hotel and Casino Lease, 89 acre leased premises
  • Trammel Crow Co. Lease, 58 acre leased premises
  • John Deere, 145 acre leased premises
  • Verizon Communication Site Leases, 3 separate sites
  • Simon Group (Phoenix Premium Outlets), 50 acre leased premises

Large Scale Third-Party Utility Right of Way – Easement Projects

Some of Ron's experience includes the following easement projects:

  • El Paso Natural Gas Right of Way, 463-acre natural gas pipeline distribution system with mixed tribal and allotted trust land
  • Arizona Public Service 230 kV Transmission Line Right of Way, 200-acre 230 kV electric transmission system with mixed tribal and allotted trust land
  • Santa Fe Pacific Pipeline/Kinder Morgan Petroleum Right of Way, 65-acre petroleum pipeline system with mixed tribal and allotted trust land

Honors & Recognitions

  • The Best Lawyers in America, Native American Law, 2023, 2024

Tribal Membership

  • Enrolled member of the Navajo Nation
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