Brian K. Branch

William Gregory Kelly is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law. William Gregory, who practices law in Albuquerque, New Mexico, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William Gregory is held by other top lawyers in the same geographic and legal practice area.

Lynn Slade serves clients’ needs addressing Federal Indian law and Native American law, energy, natural resources, environmental law, project development, complex litigation and transactions for over 30 years. In his Indian law practice, Lynn advises and counsels natural resource and energy developers, financial institutions, utilities, and other businesses in transactions and project development, including extensive involvement with renewable energy projects. He also leads litigation t...

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 ...

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.

Donald F. Kochersberger is a Member of the firm and has been with BLSW since 2005. His practice emphasizes complex litigation matters, including shareholder, member and partner disputes, contracts, business tort, unfair practices, restrictive covenant and non-compete agreements, employee theft and misconduct cases, and customer and vendor disputes. Mr. Kochersberger has served as counsel for a number of local, regional and national companies, as well as individuals engaged in business dispute...

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...

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...

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...

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.

Intellectual Property Law, Computer Science Professional Recognition: Listed in Best Lawyers (1997-2018), Intellectual Property Law Ethics in Business Award (2009) NM Bar Quality of Life Award Selected Work Experience: Wilcox & Myers, P.C. , Albuquerque, New Mexico Shareholder , 2018-present Peacock Myers, P.C. , Albuquerque, New Mexico Shareholder , 1995-2017 Shareholder and Registered Patent Attorney specializing in patent, trademark, copyright, licensing, and litigation matters, partic...