Tina Van Bockern

Jim was born and raised in Denver, Colorado. He graduated from the University of Colorado with a degree in Economics in 1988. He attended the University of the Pacific, McGeorge School of Law and graduated in 1992. He was elected to Order of the Coif and was honored as the Valedictorian of his graduating class. Jim was voted the Outstanding Graduating Senior Award for 1992. In addition to receiving the Valedictorian Award for McGeorge School of Law, 1992, Jim has received many merit awards, i...

David D. Powell, Jr. is a partner in the firm’s Denver office, focusing his practice on employment and commercial litigation. Before co-founding the firm with his colleagues in 2023, David served as a Deputy Attorney General in the Colorado Attorney General’s Office, managing the eight separate legal units comprising the State Services Section. In this role, he oversaw those responsible for representing the state’s key elected officials and providing legal services in the ar...

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...

Preeminent natural resources attorney. Obtains and defends development approvals for energy, mining and recreation industries. Executive level experience in the ski industry. Andrew Spielman is a widely respected energy, public lands and natural resources lawyer assisting with policy and regulatory issues involved in developing new facilities, as well as in the public land use and environmental permitting process. Committed to client success, Andy helps navigate the cyclical nature of the ene...

Christopher Cole is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law and Trusts and Estates. Christopher, 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 Christopher is held by other top lawyers in the same geographic and legal practice area.

Bill Groh is a trial-focused commercial litigator with LMB Partners in Denver, Colorado, representing clients in high-stakes disputes where precision, strategy, and decisive action matter. He handles complex cases involving contracts, business torts, intellectual property, fraud, and partnership conflicts, and is known for approaching litigation with a rigorous command of the facts and an unyielding commitment to advancing his clients’ positions. Bill’s practice centers on identif...

Craig S. Nuss, the co-practice group leader of the Construction Defects department at Burg Simpson. His department has achieved Tier 1 status by US News and World Report (the highest-ranking available). Mr. Nuss is a Colorado native born in Brush in 1960. He obtained his undergraduate degree in business administration from the University of Colorado at Boulder in 1982 and graduated from the University of Denver College of Law in 1988. Mr. Nuss begin his legal career the following year with a ...

Riley was born in Aurora, Nebraska and had the good sense to move to Colorado when he was 2 years old. He graduated from Drake University with a Bachelor of Arts in Political Science in 2000. Riley received his Juris Doctorate from the University of Denver, Sturm College of Law in 2004. He was admitted to the Colorado Bar in October 2004. He is a member of the Colorado and Denver Bar Associations, and is active in the Family Law Section and Young Lawyer’s Division. Riley is a member of ...

Former United States attorney and Colorado deputy attorney general. Seasoned counselor and litigator for clients facing federal and state government investigations and internal investigations. Recognized political law advisor to corporations and nonprofits on campaign finance, election and ballot initiative law. Throughout his time as United States attorney, deputy attorney general of Colorado and years of private practice, Jason Dunn has handled some of the highest-profile cases in Colorado....

Ron is head of the environmental practice group and has over 30 years of experience in environmental matters including prior work as a physical scientist for the Denver Regional Office of the U.S. Environmental Protection Agency. He represents all types of clients, including various municipalities and other public sector clients, in environmental matters related to Environmental Compliance Audits, Voluntary Cleanups, Underground Storage Tanks, Asbestos, Water Quality, Air Quality, Hazardous W...