Brian M. Mumaugh

Edward C. Moss is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law Arbitration and Family Law Mediation. Edward C., who practices law in Denver, Colorado, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Edward C. is held by other top lawyers in the same geographic and legal practice area.

Elizabeth Kemery Sipes is a top attorney recognized by Best Lawyers in the practice area(s) of Securities / Capital Markets Law. Elizabeth Kemery, 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 Elizabeth Kemery 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/ .

Paula J. Williams is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Paula 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 Paula J. is held by other top lawyers in the same geographic and legal practice area.

Daniel R. Coombe is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Daniel R., 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 Daniel R. is held by other top lawyers in the same geographic and legal practice area.

Gretchen E. Lipman is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals and Family Law. Gretchen E., who practices law in Denver, Colorado, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gretchen E. is held by other top lawyers in the same geographic and legal practice area.

Chanda’s practice focuses on employment, insurance coverage, professional liability, and commercial litigation. Chanda worked in both private law firms and in-house for an insurance carrier. Chanda brings litigation and appellate experience in defending clients in a wide variety of areas, including employment, insurance coverage, class actions, professional liability, civil rights and commercial disputes. Chanda provides a full spectrum of employment-related services, including employer...

More than a decade of experience in patent law. Represents some of the most recognizable names in Silicon Valley and the tech industry at large. Manages international patent portfolios for multinational companies. Benno Guggenheimer brings his technical background to bear on his patent work for Fortune 500 companies. His practice includes patent prosecution and patent analysis, with a focus on electronic devices, software products, medical devices and automated systems. Benno works closely wi...

Douglas J. Friednash is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice. Douglas J., who practices law in Denver, Colorado, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Douglas J. is held by other top lawyers in the same geographic and legal practice area.

Tom Macdonald has substantial experience across a broad spectrum of transactional real estate, and real estate and land use litigation, with three distinct specialties: (1) real estate transactions, (2) workouts, foreclosures and bankruptcy, and (3) land use and constitutional litigation. Tom represents commercial lenders with a particular emphasis on loan foreclosures, workouts, bankruptcies and mechanics’ lien litigation. In addition, Tom represents clients in all types of real estate...