Thomas M. "Tom" List

Catherine Puttmann, Esq. is a founding shareholder at Sherr Puttmann Akins Lamb, PC. Ms. Puttmann received her B.A. in political science from the University of Colorado, Boulder in 1994, and her J.D. in 1997 from the University in Houston. Ms. Puttmann is an experienced litigator and negotiator. She was a criminal prosecutor with the 18th Judicial District from 1999 until 2005 when she moved to private practice, specializing in family law. Ms. Puttmann is an advocate for alternative dispute r...

Jennifer H. Weddle is the Co-Chair of Greenberg Traurig LLP's American Indian Law Practice and has wide-ranging experience in Indian law, handling a variety of matters for tribal and non-tribal clients. She has a dynamic, inter-disciplinary practice that centers on providing solutions for complex inter-jurisdictional problems. Much of her practice focuses in the areas of tribal jurisdiction, tribal economic development and natural resources development on tribal lands. Jennifer also has U.S. ...

Patricia A. Riley is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law, Family Law Arbitration and Family Law Mediation. Patricia A., 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 Patricia A. is held by other top lawyers in the same geographic and legal practice area.

Gregory Janssen applies his business and tax background in his practice at Brownstein. He assists clients with a broad range of tax and corporate needs, including mergers and acquisitions, tax aspects of real estate transactions (including like-kind exchanges), partnership and corporation formation and taxation, tax controversies, tax-exempt organizations, tax lobbying, and other tax planning and advice for business entities and individuals.

Danielle Urban is a partner in the firm's Denver office. She has a national practice representing a wide range of employers. Her practice involves representation of employers in wrongful termination, employment discrimination and harassment, Title VII, Family and Medical Leave Act (FMLA), Americans with Disabilities Act (ADA), and the Age Discrimination in Employment Act (ADEA), False Claims Act, international employment issues, covenants not to compete, employee defection and trade secrets c...

Michele On-ja Choe is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Michele On-ja, 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 Michele On-ja 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.

Emily Warren is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law, Family Law Arbitration and Family Law Mediation. Emily, who practices law in Denver, Colorado, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Emily is held by other top lawyers in the same geographic and legal practice area.

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

Andréa Horvath is committed to understanding the industry in which each client operates. As a shareholder in the Real Estate practice, clients rely on her to analyze and develop responses to transaction and development-related real estate matters. She helps to deliver a range of legal services during the life cycle of a real estate transaction, from letters of intent, through contraction negotiation, due diligence, financing and closing. Andréa also brings extensive experience a...