
Brian Cillessen

Brian Cillessen
New Mexico Republican Governor nominee?
Primary Election
Party selects its nominee.
Overview
Current roleBusiness development consultant
GenderMale
LocationNew Mexico
BackgroundBusiness development consultant
EducationUniversity of Colorado Boulder (1995–1998)
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Notable personal detailsBrian Gregory Cillessen is a New Mexico-based business development consultant and executive associated with Shadow Mountain Group. He is a U.S. Marine Corps veteran and a recipient of the Silver Star. He has been described in New Mexico political coverage as having filed paperwork related to a potential Republican campaign for governor in the 2026 election cycle.
SourcesShowHide
Positions
Economy & Taxes
Brian Cillessen has criticized recent state spending increases and tax policy in New Mexico and called for better use of oil-and-gas revenues and tax reform rather than continued spending increases. His public writing expresses concern about increased state spending paired with insufficient investment in long-term infrastructure and opposition to additional tax hikes.
News
Brian Cillessen is being discussed in the context of New Mexico politics, where recent coverage focuses on crime, costs, healthcare, and broader Republican messaging. Other reports tied to the state highlight election-related fights, including efforts to limit federal agents near polling places and concerns about mail-in ballot rules that could affect upcoming elections. The coverage also points to economic pressure in New Mexico, including high student loan delinquency and rising energy prices that could affect state revenues.
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We're monitoring and will update when new data impacts the race.
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