Deron B. Knoner

Walter brings more than thirty-five years of experience providing representation, advice and counsel to businesses and individuals in their dealings with Indian tribes and public land management agencies, like the U.S. Bureau of Land Management, the U.S. Forest Service and New Mexico State Land Office. Walter’s practice is focused on natural resources, energy and environmental law. Clients throughout the west and across the country seek Walter’s advice in matters involving transac...

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...

Sonya Burke is a shareholder in the firm’s Litigation group, where she practices primarily in insurance coverage defense. She represents insurance companies and their insureds in a variety of contexts. Sonya represents professionals in professional liability matters, and has represented realtors, attorneys, and contractors. She also assists with construction and design cases, employment matters including EEOC investigations, and breach of contract litigation. Sonya has been recognized a...

Mariposa Padilla Sivage is an attorney with Sutin, Thayer & Browne APC in Albuquerque, New Mexico, where she represents clients in Commercial Litigation, Employment Law – Management, Labor Law – Management, and Litigation – Construction. Her practice focuses on civil and commercial litigation matters, including the defense of governmental entities and public employees. She has represented management in labor relations matters and collective bargaining negotiations, inclu...

Jeffrey M. Croasdell 505.766.7563 jcroasdell@rodey.com Education University of New Mexico, (J.D., cum laude, 1993) University of California, San Diego, (B.A., Political Science, 1990) Mr. Croasdell is a Director in the Albuquerque office. He practices in the firm’s Litigation Department and is the Group Leader of the Products/General Liability practice group. Having litigated jury and non-jury cases at all levels of state and federal courts in New Mexico, he has significant trial experi...

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...

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.

Jessica C. Roth is a top attorney recognized by Best Lawyers in the practice area(s) of Collaborative Law: Family Law and Family Law. Jessica C., 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 Jessica C. is held by other top lawyers in the same geographic and legal practice area.

Maria Montoya Chavez is an attorney with Sutin, Thayer & Browne APC in Albuquerque, New Mexico. She has been recognized by Best Lawyers since 2018 for her work in Collaborative Law: Family Law, Family Law, Family Law Arbitration, and Family Law Mediation. This recognition is based on peer review by attorneys practicing in the same geographic and practice areas. Maria Montoya Chavez has practiced law since 2000 and focuses exclusively on family law matters, including divorce, child custody...

Chris Muirhead concentrates his practice in the area of public finance. For more than twenty years, numerous New Mexico municipalities and counties have relied on Chris for advice on their public financing matters such as general obligation bonds, gross receipts tax revenue bonds, utility system revenue bonds, special district financings, and economic development projects. He serves as general counsel and issuer’s counsel for the New Mexico Hospital Equipment Loan Council, a state-wide ...