Tiffany Oliver Leigh

Marjorie Rogers represents businesses, tax-exempt organizations and individuals in the areas of federal taxation, estate planning and administration, including probate litigation, employee benefits and ERISA. She has more than thirty years' experience advising clients on their complex tax issues, wills, trusts, family succession plans, retirement plans, and business entity planning. Marjorie listens to her clients to determine their individual goals and helps clients achieve them with a plan ...

Deana Bennett’s practice is focused on natural resource development on public and tribal lands. Deana’s experience includes permitting and environmental compliance efforts under the National Environmental Policy Act (NEPA), the Endangered Species Act (ESA), the Clean Air Act (CAA), and other related federal statutes. She has worked on a number of utility matters, and her experience includes working with renewable resource developers with siting issues on public, tribal, state, and...

Alicia M. LaPado is a Senior Litigation Associate of the firm, with a practice that includes business litigation, general civil litigation, and criminal defense. Prior to becoming an associate, Ms. LaPado was employed by the firm as a law clerk where she provided support for complex civil and criminal matters, primarily in federal court. She also researched, drafted, and prepared briefs for submission in both state and federal court, as well as the Tenth Circuit Court of Appeals. Ms. LaPado o...

David focuses on government finance law, economic development and state tax incentive law, financial institutions law, government relations, securities law and corporate matters. Additionally, he represents issuers and underwriters in connection with the issuance of government securities. David has served as lead bond counsel to the New Mexico State Board of Finance, the New Mexico Finance Authority and the University of New Mexico and continues to serve in that capacity for the City of Albuq...

Brian Nichols’ practice is primarily in federal Indian law and litigation, including tribal courts, with focuses on energy, natural resources, transportation and employment. His experience includes: Lead counsel in trials in federal, state, and tribal courts. Lead negotiator in labor negotiations. Advising and negotiating for clients with tribal nations. Consulting with clients doing or considering business on or with tribal nations. Brian has advised clients including BHP Billiton, Uni...

Deborah E. Mann is the head of the health law practice group at Sutin, Thayer & Browne APC and also serves as practice group lead for the firm’s commercial group. Based in Albuquerque, New Mexico, her practice focuses on Health Care Law and Medical Malpractice Law – Defendants. She counsels health care organizations and professionals on regulatory compliance, institutional and professional malpractice matters, and risk management issues. Ms. Mann advises clients on HIPAA compl...

Jill K. Sweeney is a top attorney recognized by Best Lawyers in the practice area(s) of Public Finance Law. Jill K., who practices law in Albuquerque, New Mexico, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jill K. is held by other top lawyers in the same geographic and legal practice area.

Thomas R. Mack is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. Thomas R., who practices law in Albuquerque, New Mexico, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas R. is held by other top lawyers in the same geographic and legal practice area.

Marc M. Lowry is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice and Criminal Defense: White-Collar. Marc M., who practices law in Albuquerque, New Mexico, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc M. is held by other top lawyers in the same geographic and legal practice area.

Sarah M. Armstrong is a top attorney recognized by Best Lawyers in the practice area(s) of Collaborative Law: Family Law and Family Law. Sarah M., who practices law in Albuquerque, New Mexico, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sarah M. is held by other top lawyers in the same geographic and legal practice area.