Aubrey Dunn Jr. holds a Bachelor of Science degree in animal science and spent 25 years in the banking industry, culminating in a leadership role as CEO and president of a major regional bank. He transitioned from the private sector to public service, winning election as New Mexico's commissioner of public lands in 2014. Dunn Jr. shifted his political affiliation from the Republican Party to the Libertarian Party in 2018, reflecting a broader pattern of political realignment within his family.

Aubrey Dunn Jr. presents an intriguing blend of ideological shifts and localized policy focus. Initially a Republican, he transitioned to the Libertarian Party, showcasing a willingness to adapt his political identity. His tenure as New Mexico commissioner of public lands, coupled with his decision to withdraw from a U.S. Senate race to focus on this role, underscores a deeply rooted commitment to regional issues. Dunn's family's extensive involvement in Libertarian politics further complicates his ideological landscape, suggesting a multi-generational commitment to this political philosophy.