About
Hugh O’Halloran is Senior Counsel at Holland & Hart in Jackson, Wyoming, with extensive experience in real estate development, finance, and operations. He represents hotel and resort developers, owners, lenders, and operators, as well as clients involved with mixed-use condominiums, medical offices, senior housing, food production facilities, industrial properties, and golf-related developments. He also provides general commercial representation to family-owned businesses and advises on real estate portfolios, acquisitions, leasing, financing, development, and strategic business matters.
O’Halloran earned a J.D. from Marquette University School of Law in 1989, graduating magna cum laude and serving as Editor-in-Chief of the Marquette Law Review. He received a Bachelor of Journalism from the University of Missouri in 1986, also graduating magna cum laude. His education in law and journalism supports a practice requiring precise drafting, negotiation, project documentation, and communication among developers, lenders, operators, investors, and family businesses. He is admitted in Wyoming and Wisconsin.
O’Halloran has led significant real estate and hospitality matters involving acquisitions, development, financing, leasing, redevelopment, and day-to-day portfolio operations. His representative work includes condominium hotels, hospitality-oriented investment portfolios, commercial facilities, and multinational company real estate matters. He also serves as a trusted advisor, trustee, and fiduciary for high net worth individuals, families, and charitable foundations. Within his law practice, he has led the Resorts, Lodging and Leisure practice and previously led the Real Estate, Development, and Finance Practice Group.
Hugh O’Halloran has been recognized by Chambers USA for Real Estate and Corporate/M&A and by The Best Lawyers in America for Real Estate Law. He has held leadership positions in the firm’s Jackson office and serves in community and professional organizations. His practice combines sophisticated real estate transactions with commercial counseling and private-client fiduciary work. That range allows him to advise clients through property development, financing, operation, ownership transitions, and long-term business or family planning connected to significant real estate assets.
Law Office Affiliations
- Attorney, Holland & Hart LLP
- Member, Wyoming State Bar
- Member, State Bar of Wisconsin
- Advisory Board Member, Marquette University School of Law
- Member, Teton County Bar Association
- Member, State Bar of Wisconsin, Real Property Section
- Past Board of Directors, Past Chair, Grand Teton National Park Foundation, Jackson, Wyoming, Resource Council
- Past Board Member, International Crane Foundation, Baraboo, Wisconsin
- Board of Directors, President, Teton County Search & Rescue Foundation
- Board Member, Teton County Library Foundation
Licensed State
- Wyoming
- Wisconsin
Education
- Marquette University School of Law
Juris Doctor (JD) - University of Missouri
Bachelor of Journalism
Awards & Badges



- Banking & Finance
- Business
- Closely Held Business
- Commercial Real Estate
- Condominium
- Construction & Development
- Contracts & Agreements
- Land Use & Zoning
- Mergers & Acquisitions
- Probate
- Real Estate
- Residential Real Estate
- Trusts





