James D. "Jim" Leonard

Jon R. Tandler is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Jon R., who practices law in Denver, Colorado, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jon R. is held by other top lawyers in the same geographic and legal practice area.

Guides the strategic direction of the firm as managing partner. Twenty-five years of litigation experience. Develops innovative and practical solutions to solve complex problems. As Brownstein’s managing partner and a member of its executive committee, Rich works closely with clients, attorneys, policy advisors, staff and industry and community leaders to drive the firm’s strategic growth and development. From leading new ways to enhance client value to building and retaining a di...

Langdon’s practice concentrates on complex domestic relations matters, inclusive of dissolution of marriage, legal separations, custody disputes, child support modifications, parenting time issues and post-decree matters. He is admitted to the Colorado and U.S. District Courts, the U.S. Court of Appeals and the U.S. Supreme Court.

More than 30 years of experience in tax matters. Navigates legislative challenges to help clients form tax strategies. Structures joint ventures for M&A deals. As chair of Brownstein’s Corporate & Business Department and co-chair of its Tax Group, Greg Berger helps clients navigate tax elements related to corporate transactions and tax policy. He regularly collaborates with his colleagues in the government relations group to represent clients before Congress and Treasury on note...

Aaron Evans is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates and Trusts and Estates. Aaron, 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 Aaron is held by other top lawyers in the same geographic and legal practice area.

Marc J. Kaplan is a practicing trial lawyer, special master and arbitrator. Having been certified by the National Board of Trial Advocacy, Mr. Kaplan is a formidable advocate in court. Mr. Kaplan provides to the firm expertise in civil litigation and appeals, including complex divorces. Mr. Kaplan practices in all civil areas of the law, but primarily in the areas of family law and legal malpractice. Kaplan is the Immediate Past President of the Colorado Trial Lawyers Association, represented...

Lynne Weitzel began her college career at Boston University and graduated from UCLA in 1991. Her college days included a trip around the world via Semester at Sea in 1989. She then attended law school at Tulane Law School in New Orleans, clerking in San Francisco and Washington D.C. during the summers. After graduating from law school, she moved to Denver where she has continuously resided. Lynne has sat on various boards during her legal career including the Metropolitan Denver Interdiscipli...

David Zetoony, Co-Chair of the firm's U.S. Data Privacy and Cybersecurity Practice, focuses on helping businesses navigate data privacy and cyber security laws from a practical standpoint. David has helped hundreds of companies establish and maintain ongoing privacy and security programs, and has defended corporate privacy and security practices in investigations initiated by the Federal Trade Commission, and other data privacy and security regulatory agencies around the world, as well as in ...

Kara Lyons Chrobak is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Kara Lyons, 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 Kara Lyons is held by other top lawyers in the same geographic and legal practice area.

For forty years, Hubert has handled the Front Range’s most complicated infrastructure issues and disputes, and it would be hard to name a large infrastructure project in the region where Hubert did not play a role. He draws on his lengthy experience to provide shrewd counsel to clients on construction, regulatory, and natural resource regulatory matters that are pre-suit and in litigation, so that clients can focus on what is paramount—seeing their projects through to timely compl...