Thomas "Tom" Osborne

Ms. Lavery earned a B.A. with Honors, with majors in Political Science and International Studies from the University of Denver in 1992; thereafter, earning her law degree from DU in 1995. After law school, she did not pursue work in the legal field, instead working in management, sales, and consulting positions in both large corporate settings and small local businesses. She returned to the legal profession in 2010, working as a paralegal in the areas of family law and juvenile law before joi...

Mark E. Baker is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Mark E., who practices law in Denver, Colorado, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark E. is held by other top lawyers in the same geographic and legal practice area.

Understands complexities of water litigation, acquisitions and transactions. In 40-plus year career has led 750 water litigations and over 20 Supreme Court appeals. Former senior water counsel and first assistant attorney general for the Water Unit of the Colorado Attorney General’s Office. Steve Sims is a leading western water law attorney with a focus on water court litigation, water acquisition strategy and water transactions in the west. He brings four decades of experience represen...

Roger G. Trim is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Roger G., 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 Roger G. is held by other top lawyers in the same geographic and legal practice area.

Joseph W. Gren, a founding Partner of Brown Gren Abraham & McCracken, received a B.A. in history from the University of North Carolina at Chapel Hill. After graduation, he earned a Masters of Resources Law, with concentrations in environmental and energy law and policy, and received his J.D from the University of Denver Sturm College of Law in 2009. During law school, Mr. Gren was a member of the University of Denver Sturm College of Law Transportation Law Journal, a recipient of the Berr...

Kellie N. Fetter is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Kellie N., 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 Kellie N. is held by other top lawyers in the same geographic and legal practice area.

Peggy Kozal, based in Dickinson Wright’s Denver office, is a dedicated attorney deeply involved in the complex world of health care law. With a passion for untangling legal complexities, Peggy navigates regulatory compliance, litigation, data privacy and security matters, and strategic counsel for a diverse range of clients within the health care sector, including long-term care facilities, hospitals, physicians and physician practices. She excels in identifying crucial legal matters an...

With nearly 20 years of experience, Sheela practices in the areas of water planning, water adjudications, water quality permitting and environmental compliance. Her clients include municipalities, special districts, mining companies, developers, trade associations, and a wide variety of businesses regulated by the government. By taking a collaborative and reasonable approach, Sheela has a track record of successfully negotiating agreeable resolutions between her clients, state and federal age...

Mark serves as head of the firm’s Family Law Group, and has been since joining the firm in 1972. In 1985, he limited his practice to focus exclusively on divorce matters. As one of the leading attorneys in the field, Mark handles cases involving pre-and post-marital agreements, sophisticated property settlements, negotiated settlements, permanent order trials, child-related issues and extensive mediation and arbitration. He also serves as a mediator, settlement master and arbitrator in ...

Brian L. Duffy is a president of the firm and previously served as Chair of the firm’s 600-member Global Litigation Department from 2009-2013. He focuses his practice on trial and appellate work in the class action, employment, energy, commercial contract and product liability areas, serving as national, regional and local counsel in high-profile cases. Brian represents public and privately-held entities and their principals in complex business-related disputes arising from both interna...