Jeffrey C. "Jeff" Brown

JAY D. ROSENBLUM is a senior lawyer with Sutin, Thayer & Browne, one of New Mexico’s leading law firms. Jay served as President and CEO of the firm for eighteen years, from 2000 through 2017. Jay’s practice includes mergers and acquisitions, business design, estate planning, corporate work, succession planning and philanthropic legal matters. In 2017 the State Bar of New Mexico’s Business Law Section honored Jay as Business Lawyer of the Year, and in 2023 & 2024 Best...

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...

Since 2004, Bruce E. Thompson has been helping injured people and their families by holding wrongdoers accountable for violations of federal and state law and other safety standards. Practicing since 2004, Bruce handles cases involving personal injury, wrongful death, medical malpractice, construction accidents, brain injury, trucking accidents and sexual abuse in courtrooms throughout New Mexico. Bruce's entire practice is devoted to litigation. A member of the State Bar of New Mexico, the A...

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.

Andrew J. Simons’ first job out of law school was serving as the law clerk for Judge William W. Bivins, New Mexico Court of Appeals, from 1992 to 1993, after which he joined Sutin, Thayer & Browne, where his practice is concentrated in commercial litigation emphasizing creditors’ rights, consumer law and real estate law. He has represented clients in a variety of litigation, such as: (1) representing creditors in complex commercial real estate foreclosure actions, as well as w...

MARIPOSA PADILLA SIVAGE represents clients in a variety of civil and commercial litigation. She has considerable experience representing governmental entities and public employees. She has represented management in labor relations and collective bargaining negotiations for a higher education client. She handles complex litigation involving prison liability, probate and estate disputes, construction claims, premises liability, civil rights, and governmental defense. Ms. Padilla Sivage practice...

Earl DeBrine concentrates his practice in oil and gas, railroad, product liability and commercial litigation. For over 30 years, he has represented major energy companies, railroads and manufacturers in lawsuits and negotiations ranging from preferential purchase rights and other disputes under joint operating agreements, environmental and title disputes to oilfield wrongful death claims. He also regularly advises oil and gas producers concerning development transactions and appears before th...

Jennifer Anderson’s practice is focused on employment, class actions, mass torts, insurance, healthcare, products liability and commercial litigation. She regularly advises businesses and individuals on issues related to employment disputes, contracts, negotiations, medical malpractice, product safety, professional liability, and fair debt collection practices. She has appeared in state and federal courts, and regularly participates in arbitrations and facilitations. She is also a Certi...

Maria has practiced in the areas of Natural Resources, Environmental and Utility law for over twenty years. Her primary focus is on water resources, water quality, and related regulatory matters including National Environmental Policy Act (“NEPA”) and Endangered Species Act (“ESA”) compliance. She represents clients from both the public and private sectors before the Office of the New Mexico State Engineer, the New Mexico Public Regulation Commission federal agencies, ...

Tim Fields is an experienced practitioner in litigation and insurance defense. For more than thirty years, Tim has represented clients in their civil litigation matters including personal injury defense, railroad, transportation/trucking, insurance coverage/bad faith, medical malpractice, construction defects, products liability, toxic exposure and environmental, and FELA. His practice also includes nursing home/hospital/healthcare litigation defense, complex multi-party litigation, commercia...