Keller Law Firm, P. C.

Who We Are

Thomas Q. Johnson

Tom is a Helena, Montana native who has been practicing with the Keller Law Firm since 1977.

Tom has a Bachelors of Science degree in Business Administration (accounting) from the University of Montana in 1973 and a Juris Doctor from the University of Montana in 1976.

After law school, Tom returned to Helena in 1976 and served a one-year clerkship with State District Court Judge Peter Meloy.  Following that clerkship and a very brief stint at the Montana State Auditor’s Office, Tom joined the Keller Law Firm as an associate in 1977 and was made a partner in 1980.  He has been the managing partner from 1982 through the present.

Tom’s practice is a general litigation and civil practice.  A significant portion of Tom’s practice has been insurance defense litigation including construction litigation, architect and engineer malpractice litigation, and personal injury and product liability defense.  He also handles non-insurance related defense litigation and some plaintiff’s litigation.  Tom makes use of his business accounting background in his commercial practice, as well as an increasing estate planning and probate practice.  He also serves as a registered agent for a significant number of out-of-state entities, such as corporations and LLCs.  Tom is actively involved in alternate dispute resolution; he is frequently retained as a mediator and occasionally as an arbitrator.  Tom is on the list of approved mediators for the First Judicial District, and the Montana Supreme Court, and is an approved arbitrator with the National Arbitration Forum.

Professionally Tom is and has been a member of the First Judicial District Bar Association, serving as President during 1983-1984; the State Bar of Montana; the Montana Defense Trial Lawyers Association, serving on the Board of Directors for a number of years; the Defense Research Institute; the International Association of Defense Counsel; and the American Judicature Society.

Tom is admitted to practice before the state courts in the State of Montana, the U.S. District Court of Montana, the U.S. Bankruptcy Court of Montana, and the U.S. Court of Appeals for the Ninth Circuit Court.

Non-legal affiliations that Tom is involved with include the Montana City Volunteer Fire Department for 22 years, now retired; Trustee of the Montana City Rural Fire District, 1995-present; the Optimist Service Club of Helena and Optimists, International; the Green Meadow Country Club; the Gates of the Mountains Boat Club.

Tom and his wife Kerry have two adult children.  They enjoy golfing, skiing, and boating, and they are avid sports fans.

Jacqueline Lenmark

Jacqueline Lenmark was born in Seattle, Washington in 1945. She was raised in Southern California, graduating from Loma Linda University in 1967. After college Jackie obtained her M.A. in English from Andrews University in Michigan, and worked for a time as an in-house editor for an accounting firm in Chicago, Illinois. She returned to Southern California in 1970 where she worked for patent lawyers and first became interested in the practice of law. Jackie moved to Helena in 1975 where she began working with the Montana Legislative Council legal division. Upon graduation from the University of Montana School of Law with honors in 1985, she joined the firm where she has practiced law since.

While in law school Jackie served on the editorial board and was the editor-in-chief of the Montana Law Review. After entering private practice, Jackie resumed her association with the Montana legislature, this time as a member of the “fourth house” counting among her many government relations clients the American Insurance Association, American Council of Life Insurers, and the American Civil Liberties Union. Her law practice now emphasizes insurance litigation, real property and commercial transactions, and government relations. She also frequently serves as a mediator, primarily in domestic relations disputes. In 1993, the Montana Supreme Court appointed Jackie to the Montana Board of Bar Examiners for which she now serves as the Chair. She also has served on the University of Montana School of Law Board of Visitors since 2006. Jackie is admitted to practice before the Montana Supreme Court, the United States District Court for the District of Montana, and the Ninth Circuit Court of Appeals and is AV rated by Martindale-Hubbell.

An active supporter of the Helena arts community, Jackie has participated in and served on the boards of numerous Helena community organizations, including the Helena Symphony Chorale, Intermountain, Myrna Loy Center, St. Peter’s Hospital Foundation, and the Montana Club. She finds particular enjoyment in sailing, canoeing, gardening, and ongoing restoration of the historic building she calls home.

Joe Seifert

Joe Seifert was born in Dillon, Montana in 1956.  His family moved to Helena in 1960 where his father was a Main Street merchant for over 30 years.  Joe attended Catholic grade school and graduated from Helena High School in 1974.  He graduated from Carroll College in 1978 with a B.A. in political science.  After high school graduation and before law school, Joe worked summers fighting forest fires and performing contract logging slash reduction for the State of Montana and a private timber company.  In 1978, Joe worked for Senator Max Baucus. In 1979, he worked in the Montana Attorney General’s Office.

Joe attended the University of Montana School of Law, graduating (with honors) in 1982.  While in law school, he served on the editorial board and was editor-in-chief of the Public Land Law Review.  After law school, Joe returned to Helena and worked from 1982  to 1986 prosecuting felony criminal cases in the Lewis and Clark County Attorney’s Office.  In 1986, he entered private practice where his work has emphasized trial work and appeals.  He represents plaintiffs and defendants in cases involving insurance, defective products, discrimination, employment, and medical negligence.  Joe has worked as a consulting and testifying expert in insurance bad faith litigation.  He is admitted to practice before the United States District Court for the District of Montana, the Ninth Circuit Court of Appeals, and the United States Supreme Court. He is AV rated by Martindale-Hubbell and is certified as a Civil Trial Specialist by the National Board of Trial Advocacy.

Joe has a broad interest in sports, exercise, and outdoor activities.  He lives on a small wooded acreage south of Helena.

Charles G. Adams

Charlie has been in practice in Montana since 1986. He earned a bachelor’s degree in English (with honors) from the University of Nebraska-Kearney in 1982. From there he went on to receive his Juris Doctor from the University of Nebraska College of Law. While in law school, he was a member of the National Moot Court team, and he was admitted to the Order of the Barristers.

Following graduation, Charlie relocated to Montana. Charlie spent the next 12 years as counsel for the Montana State Fund. During that time, he practiced full-time in the area of workers’ compensation, trying dozens of cases to the Workers’ Compensation Court, and handling numerous appeals to the Montana Supreme Court. As a consequence, Charlie has significant experience and expertise in the field of Montana workers’ compensation law and practice.

Charlie’s practice with the Keller Law Firm continues to draw on his experience in workers’ compensation. He has been called upon to assist insurers, employers, and injured workers in all manner of disputes and litigation. As well, his practice emphasizes civil litigation, appeals, employment law, and insurance disputes.

As a member of the State Bar of Montana, Charlie has served on the Lawyers’ Referral Service Committee and as Chairman of the Montana Lawyer Board of Editors. The State Bar recognized his work on the Board of Editors with a Distinguished Service Award in 2003. He is admitted to practice before the state courts of Montana, the U.S. District Court of Montana, and the U.S. Court of Appeals for the Ninth Circuit. In 1999, Charlie served a one-year term as President of the First Judicial District Bar Association.

Outside of work, Charlie’s interests and hobbies include running and hiking the hills surrounding Helena and beyond, watching Cornhusker football and Cubs baseball, vegetable gardening, cooking, skiing, and travel.

Keith Keller

Keith Keller is retired from the Keller Law Firm. Keith practiced law in Helena for more than three decades and was the Senior Partner of the Keller Law Firm until his retirement. Keith was born in Helena. He did his undergraduate study at Stanford University and went to law school at the University of Montana School of Law. He was the associate editor of the Montana Law Review. Keith then served three years in the Marines, attaining the rank of Captain.

Keith began his legal career in the Helena City Attorney’s office and joined the Firm shortly thereafter. Throughout his career, Keith was well regarded for his skills as a lawyer and counselor. He was a member of the International Association of Defense Counsel and the American College of Trial Lawyers, and he tried many jury trials throughout his career.

In his retirement Keith continues to enjoy hiking, paddling, and skiing Montana and beyond.

Ryan Lorenz


Ryan grew up in Helena and graduated from Carroll College with a degree in Political Science in 2012. Ryan then went to the University of Montana School of Law where he graduated in 2015. While in law school, he was a member of the Montana Law Review eventually becoming an Executive Editor. Ryan also competed on the National Moot Court Team. Ryan’s internships while in law school included the Montana Department of Public Health and Human Services Office of Legal Affairs, Crowley Fleck, and clinical intern for Magistrate Judge Jeremiah Lynch.

Upon graduating from law school, Ryan clerked for Judge Ray Dayton in Anaconda, Montana before joining the Keller Law Firm. Ryan is admitted to practice in Montana State Court, and U.S. District Court for the District of Montana. Ryan’s practice includes civil litigation, probate, and estate planning.

While not working, Ryan enjoys backpacking, running, hiking, snowboarding, chasing elk, and hanging out with his dog.