Brett C. Johnson

Lyle A. Wallace is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Lyle A., who practices law in Denver, Colorado, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lyle A. is held by other top lawyers in the same geographic and legal practice area.

Gregory Janssen applies his business and tax background in his practice at Brownstein. He assists clients with a broad range of tax and corporate needs, including mergers and acquisitions, tax aspects of real estate transactions (including like-kind exchanges), partnership and corporation formation and taxation, tax controversies, tax-exempt organizations, tax lobbying, and other tax planning and advice for business entities and individuals.

Chuck advises companies at all stages of growth, from start-ups to ready-to-exit, helping them successfully raise capital, complete acquisitions and divestitures, and comply with regulatory requirements. Chuck also regularly advises consumer products investment funds in investment rounds. Cultivate Growing Companies: Chuck helps investment funds and growth-oriented clients determine the best way to reach their personal and corporate objectives – from initial formation and financing, thr...

Whether navigating a high-stakes dispute or advising on litigation risks tied to a business decision, Dean Richardson focuses on helping clients resolve legal issues efficiently—so they can get back to running their business. He works with companies of all sizes, across a wide range of industries, and tailors his approach to each client’s goals, risk tolerance, and long-term objectives. Dean represents clients in complex commercial litigation, with experience spanning across canna...

David is a member of Butler Snow’s Tort, Transportation, & Specialized Litigation Group.

Laura Browne is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Laura, who practices law in Denver, Colorado, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Laura is held by other top lawyers in the same geographic and legal practice area.

Catherine Puttmann, Esq. is a founding shareholder at Sherr Puttmann Akins Lamb, PC. Ms. Puttmann received her B.A. in political science from the University of Colorado, Boulder in 1994, and her J.D. in 1997 from the University in Houston. Ms. Puttmann is an experienced litigator and negotiator. She was a criminal prosecutor with the 18th Judicial District from 1999 until 2005 when she moved to private practice, specializing in family law. Ms. Puttmann is an advocate for alternative dispute r...

William Peffer is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. William, who practices law in Denver, Colorado, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William is held by other top lawyers in the same geographic and legal practice area.

Expertise spans land use and zoning, general real estate matters and urban renewal and public finance. Over a decade of real estate experience. Brings strong local ties to Colorado-focused projects. With an emphasis on land use and entitlements, Caitlin’s practice spans all areas of real estate development including acquisitions and dispositions, zoning and development as well as serving as special and general counsel to various governmental and quasi-governmental entities. Working prim...

Jeffrey A. Springer, a managing partner of Springer and Steinberg, P.C., in Denver, Colorado, specializes in criminal law, white collar criminal defense, commercial litigation, personal injury and product liability law, professional negligence law, family law and appellate law. He is admitted to the bar in Colorado, the U.S. District Court, District of Colorado; the U.S. Court of Appeals for the 10th Circuit, the U.S. Court of Appeals for the 18th Circuit and the U.S. Supreme Court.A practici...