Jason Trinity Holden

Born and raised in northern Wyoming, and educated at Eastern Montana College and Harvard Law School, Tom Singer has been resolving civil and commercial disputes for businesses, governments, and individuals for 30 years. He is one of the “Best Lawyers in America” in Product Liability Litigation, is a “Super Lawyer” in Business Litigation, is rated “AV” for legal ability and ethics by Martindale-Hubbell, and is a Fellow in Litigation Counsel of America, a tri...

Aaron advises individuals, startups, tech and telecommunications companies, banks, contractors, and businesses on a wide-variety of matters. With several years in private practice in Seattle and Missoula, and as the former Vice President and General Counsel of a leading technology / communications service provider operating in 16+ states in the greater Pacific Northwest, Aaron has the requisite knowledge and experience to help you and to help your business grow, minimize risk, improve operati...

Jeff has a diverse practice that includes civil litigation, insurance defense, employment law, business law, construction law and workers' compensation. He is admitted to practice in all Montana Courts, the United States District Courts for the District of Montana and the Ninth Circuit Court of Appeals. He is also admitted to practice in California (inactive status). Jeff enjoys advising employers on all business and litigation related matters. Jeff's honors, awards and professional associati...

A former law clerk for Ninth Circuit Judges Thomas G. Nelson and N. Randy Smith, Michael Manning’s practice focuses on appellate advocacy and complex litigation. He has argued multiple appeals in the Ninth Circuit, and regularly represents clients in both federal and state courts. His appellate and trial-level litigation experience covers a broad range of substantive topics, including environmental litigation, constitutional issues, intellectual property, bank bad faith and lender liabi...

Amy D. Christensen is the managing partner of Christensen & Prezeau, PLLP. She has over twenty-four years of experience litigating cases in state and federal court involving employment matters, health care, and professional liability. She has also appeared on behalf of clients before numerous administrative agencies involving matters such as discrimination and retaliation, unemployment insurance, wage and hour, and professional licensing. In addition to her litigation practice, Amy advise...

Gary Kalkstein is a Partner in our Missoula office and focuses his practice on medical malpractice and health care matters. For the last 35 years, Gary has defended a wide range of health care clients, including physicians, hospitals, clinics, nurse practitioners, physician assistants, professional counselors, and other health care providers in medical negligence actions and professional licensing disputes throughout the State of Montana. He routinely appears before the Montana Medical Legal ...

Brandon Hoskins is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Construction Law, Land Use and Zoning Law, Litigation - Construction, Litigation - Real Estate and Real Estate Law. Brandon, who practices law in Billings, Montana, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brandon is held by other top lawyers in the same geographic and legal practice area.

Brad grew up in Montana. He left the state to play college baseball in Florida and attend the United States Naval Academy. After graduating from the University of Montana law school with honors in 1977 he began private practice in Missoula. Since that time he has had a varied state wide practice involving insurance related litigation, specializing in insurance bad faith, personal injury, professional negligence and workers’ compensation law. Brad has handled more than 60 appeals before ...

Jeff Sorenson is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships), Commercial Transactions / UCC Law, Corporate Law, Real Estate Law and Tax Law. Jeff, who practices law in Billings, Montana, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeff is held by other top lawyers in the same geographic and legal practice area.

Cole Derks is a top attorney recognized by Best Lawyers in the practice area(s) of Agriculture Law, Closely Held Companies and Family Businesses Law and Mergers and Acquisitions Law. Cole, who practices law in Billings, Montana, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Cole is held by other top lawyers in the same geographic and legal practice area.