Mark A. Senn

With extensive experience in water law, Mr. Thorne effectively represents clients in water court litigation and related administrative proceedings, including adjudication of water rights, changes of water rights, and complex plans for augmentation. He also assists clients with water rights acquisitions and in the development and negotiation of water supply arrangements. Mr. Thorne has substantial experience with project development and financing for energy companies developing water supplies ...

Naomi G. Beer is an experienced litigator who focuses her practice on complex commercial, employment and class action litigation, as well as multi district litigation (MDL) proceedings. Naomi works with clients involved in the retail, energy and manufacturing industries, and has represented clients in numerous state and federal trial and appellate courts throughout the United States. Naomi also has experience in the coordination and management of complex litigation for clients faced with rela...

Shareholder Jeff Kerrane joined the firm in 2000. Jeff has more than 20 years of experience in construction defect litigation. Prior to joining the firm, he was a partner at Burdman Law Group in Nevada and at the Law Offices of Cisneros & Kerrane in California. In addition to his extensive experience in the courtroom, Jeff has been published in journals such as the Santa Clara Law Review, Nevada Lawyer, California Regulatory Law Reporter, Condo Management Magazine, Recharger Magazine, and...

Chad Lieberman is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants. Chad, 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 Chad is held by other top lawyers in the same geographic and legal practice area.

Ms. Emily Ahnell joined Brown Gren Abraham and McCracken in 2025. Ms. Ahnell practices civil litigation, including insurance defense, workers’ compensation and subrogation. Ms. Ahnell has defended employers and insurance carriers before administrative agencies for many years. Ms. Ahnell also represents employers and insurance carriers in civil litigation matters in Federal and State Courts. Ms. Ahnell represents client interests in all phases of litigation, including hearings, trials an...

Tyler J. Sewell is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Tyler J., 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 Tyler J. 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...

Doug has been an Assistant United States Attorney and Assistant District Attorney. Now that he is in private practice, Doug is one of Colorado’s most experienced and acclaimed criminal defense lawyers. AV rated by Martindale-Hubbell, with a perfect 10.0 / “Superb” rating by AVVO, Doug has been chosen as a “Rising Star” for several years—a distinction limited to 2.5% of Colorado’s practicing attorneys under the age of 40. In 2018 to 2020, he was recogn...

Robert has assisted individuals and businesses of varying sizes with a wide variety of legal needs. He has focused his practice in the area of franchise law, including compliance with state and international registration and disclosure requirements. He also handles general corporate work for a number of businesses in many industries, including general corporate formation and transaction issues, intellectual property matters, secured transactions, real estate deals, commercial real estate, sec...

Mr. Fleishman’s practice emphasizes creative, aggressive representation of firm clients in the areas of divorce, pre and post nuptial agreements, commercial, construction, personal injury, professional liability, employment law, bad faith, and insurance litigation. His expertise in the creation of medical and legal risk management programs and procedures for clients, as well as drafting and analysis of insurance contracts, is well recognized. Mr. Fleishman was selected multiple times fo...