David M. Brenner

Kristin R.B. White is a partner in the firm's Denver office. Kristin regularly counsels and defends clients in regulatory workplace safety matters, and often acts as crisis management counsel for employers across all industries. She acts as a strong advocate for her clients before government agencies and administrative boards, such as the Occupational Safety and Health Review Commission (OSHRC), the Federal Mine Safety and Health Review Commission (FMSHRC), and various state Occupational Safe...

Katy O'Brien is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Katy practices law in Denver, Colorado Best Lawyers has recognized Katy O'Brien since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Katy O'Brien is held by other lawyers.

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...

Lauren E. Schwartzreich is a lawyer recognized by Best Lawyers in the practice area of Litigation - Labor and Employment. Lauren E. practices law in Denver, Colorado Best Lawyers has recognized Lauren E. Schwartzreich since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Lauren E. Schwartzreich is held by other lawyers.

For more information, please visit www.gibsondunn.com/lawyer/bergsieker-ryan-t/ .

Mr. Brown, a founding Partner of Brown Gren Abraham & McCracken, continues his focus on representing insurance carriers and employers in workers’ compensation, employment law, and general liability claims in Colorado and Utah. Mr. Brown has been practicing in Colorado since 2005 and handles matters arising under such laws as the Americans with Disability Act (ADA), Title VII of the Civil Rights Act of 1964, the Age Discrimination and Employment Act (ADEA), Colorado Wage Act and the ...

Nicola has dedicated her legal career to the practice of family law. Nicola’s practice is settlement-focused, as that is usually what is most favorable to her clients. Nicola excels in negotiation and mediation, working to obtain optimal resolutions for her clients outside of the courtroom. However, when litigation becomes necessary, Nicola is a fierce advocate for her clients. With a penchant for thorough preparation, Nicola is confident and effective in the courtroom. Nicola handles a...

James G. Heckbert focuses his practice on claims involving personal injury and wrongful death, ski injuries, auto and truck collisions, construction site negligence, medical malpractice, gas explosions, and defective products. In a distinguished career spanning four decades, Mr. Heckbert has secured eight jury verdicts in excess of $1 million. He has obtained numerous other settlements and judgments for amounts also exceeding $1 million. Mr. Heckbert is a member of the Multi-Million Dollar Ad...

Herbert E. Tucker, IV, was born in Lake Forest, Illinois. He graduated from the University of Colorado (B.S. 1979) and Mississippi College (J.D. 1985). He is admitted to the U.S. Supreme Court; U.S. District Court, District of Colorado; U.S. Court of Appeals,Tenth Circuit; and Colorado State Courts. Mr. Tucker served as a Law Clerk to Judge Field C. Benton, Denver Probate Court (1985-1986). Mr. Tucker is a Fellow in the American College of Trust and Estate Counsel (ACTEC). He is a member of t...

Sarah is a member of Butler Snow’s Tort, Transportation and Specialized Litigation Group.