Douglas B. "Doug" Tumminello

Chris Koupal is Of Counsel to Parker Lipman, LLP, where his practice concentrates on civil trial work, with an emphasis on automobile accidents, ski and snowboard accidents, medical and legal malpractice and premises liability. Chris has repeatedly been selected by his peers for inclusion in Best Lawyers in America. Martindale-Hubble recognizes Chris’s skills with an “AV-Preeminent” rating, the highest rating for legal ability and ethical standards based upon a lengthy peer ...

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.

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

Arnulfo D. Hernández is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice and Immigration Law. Arnulfo D., 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 Arnulfo D. is held by other top lawyers in the same geographic and legal practice area.

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

Bruce A. Fowler is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates, Tax Law and Trusts and Estates. Bruce A., who practices law in Denver, Colorado, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bruce A. is held by other top lawyers in the same geographic and legal practice area.

Caleb Meyer is chief executive officer and managing partner of Messner Reeves LLP. He joined the firm over eight years ago and has played an integral part in the firm’s growth during that time. In his multi-state practice, Mr. Meyer focuses on trial advocacy and the representation of individuals, corporations, and other business entities in courts of law, arbitration, mediation, and other regulatory proceedings. He has litigated and tried numerous cases across the country, including com...

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

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

Trial Lawyer David K. TeSelle is a Colorado and Arizona licensed attorney who has successfully tried numerous cases to jury verdicts in both state and federal court, as well as private arbitration. Mr. TeSelle was a lead counsel in 2019 on one of the largest personal injury jury verdicts in Arizona history ($58.5 million). He has also successfully battled the largest banks in the world including in litigation related to the 2008 economic collapse (the so-called “Big Short” cases) ...