The founder and chief counsel of the Bagley Law Firm, LLC, Brian provides legal representation to businesses, families, and individuals. In addition to the practice of law, Brian currently serves as the Mayor of Longmont, CO. Brian’s other community activities include teaching at the Leeds School of Business at the University of Colorado at Boulder, as well as a professor for the university’s prestigious Presidents Leadership Class, teaching upper-level courses on business, management, and leadership. Brian himself is a CU alumnus, having earned a Juris Doctor from CU’s School of Law and a Master of Business Administration from the Leeds School of Business.

Brian began his professional career as a senior analyst and key member of the team that researched and wrote the New York Times Bestseller, Good to Great: Why Some Companies Make the Leap… and Others Don’t. The best-selling hardback business book of all time, Good to Great has grossed more than $100 million in book sales alone. As the only research analyst throughout the five-year project for its entirety, Brian performed the in-depth investigations, interviews, and analysis on market-leading companies to understand how they came to dominate their industries. The research has been featured in the Wall Street Journal, Fortune, Business Week, Harvard Business Review, and Fast Company.

Brian is a member of the Phi Alpha Delta Law Fraternity and has been licensed to practice law in the state of Colorado since 1999. His personal accomplishments include earning the rank of Eagle Scout from the Boy Scouts of America, speaking and writing fluent Spanish, writing and directing a full-length feature film distributed by Universal Vivendi, and volunteering – along with his wife – as a foster-adopt parent for Boulder County’s Department of Housing and Human Services. His foremost passion is his wife, Luz Maria, and their five children: Danielle, Jordan, Augie, Mikey, and Genito.


  • University of Colorado - Boulder - J.D. - 1999

    Criminal Law, Family Law, Personal Injury, General

  • University of Colorado - Boulder - M.B.A. - 1999

    General Business, Finance

  • Brigham Young Universit - B.S. - 1995

    English, Philosophy

Professional & Bar Association Memberships

  • City of Longmont, Colorado

    Member Since: 2017

  • Million Dollar Settlement/Verdict Club

    Member Since: 2016

  • Longmont Economic Development Partnership

    Member Since: 2015

  • Colorado Bar Association

    Member Since: 1999

  • Boulder County Bar

    Member Since: 1999

  • Phi Alpha Delta (legal fraternity)

    Member Since: 1999

  • Boy Scouts of America

    Member Since: 1980

  • City of Longmont, Colorado

    Member Since: 2011 - 2017

  • Longmont Area Economic Council

    Member Since: 2009 - 2015

Client Reviews

I had an excellent experience with Bagley Law Firm in the past. My neighbor recommended that firm. I had a consultation with one of the highly qualified attorneys and was very pleased with provided detailed information. I would recommend this firm to anyone and will give 5 star rating!!!

- Anna B.

The great lawyer for a criminal case or traffic offense. I would highly recommend him. He will provide a great defense.Because i that provide ..I will always rent your law service.Most welcome.

- Ben M.

I give the Bagley Law Firm a 5 STAR review. My divorce was extremely difficult and they gave the support I needed.

- Christopher M.

I have had an on going case with my divorce and it hasn’t been easy. The Bagley Law Firm had been able to work with me not only on logistics but with the costs as well. Thank you Bagley Law Firm!

- Donna T.

The Bagley Law Firm is an excellent practice that provides amazing service. My experience with their staff and personnel has been nothing short of 5 stars. They are hard working, driven, and dedicated to helping their clients. Personally I worked with Jacob Lucas and his optimism and intelligence...

- Faith H.

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