Darrell G. Waas

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...

Seth R. Belzley is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Leveraged Buyouts and Private Equity Law and Mergers and Acquisitions Law. Seth R., who practices law in Denver, Colorado, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Seth R. is held by other top lawyers in the same geographic and legal practice area.

Peter McClenahan is at home in the courtroom. A skilled and dynamic trial lawyer, Peter’s practice focuses on personal injury, complex business and civil litigation and professional malpractice. In 2013, Peter was recognized for obtaining two of the top ten largest personal injury jury verdicts in the State of Colorado that year. Peter’s litigation background is extensive, and he has learned his craft from some of the best. Prior to joining Ogborn Mihm, Peter led a trial team of a...

Robert W. Steinmetz is a top attorney recognized by Best Lawyers in the practice area(s) of Ethics and Professional Responsibility Law, Health Care Law, Legal Malpractice Law - Defendants, Litigation - Insurance, Personal Injury Litigation - Defendants and Professional Malpractice Law - Defendants. Robert W., who practices law in Denver, Colorado, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert W. is hel...

Jessica L. Breuer is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Jessica L., who practices law in Englewood, Colorado, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jessica L. is held by other top lawyers in the same geographic and legal practice area.

Erica R. Kemmerley is a top attorney recognized by Best Lawyers in the practice area(s) of Collaborative Law: Family Law, Family Law, Family Law Arbitration and Family Law Mediation. Erica 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 Erica R. is held by other top lawyers in the same geographic and legal practice area.

Peter Moore is the Chairman of the Business Law Department and a member of the real estate practice group for Robinson, Waters and O’Dorisio. He serves as outside general counsel and corporate counsel for many local and regional businesses. Twenty years of experience as a commercial trial lawyer provides Peter with a unique perspective on his business practice and aids in his ability to structure deals and transactions in a way to minimize risk, avoid litigation, and efficiently achieve...

John W. Carpenter is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. John W., 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 John W. is held by other top lawyers in the same geographic and legal practice area.

Darren E. Nadel represents employers nationally in complex litigation and employment law. He represents clients in high risk, high value cases involving trade secrets and unfair competition, employee benefits litigation and whistleblower and Sarbanes Oxley matters. Darren has represented employers in litigation brought under: Trade secrets and unfair competition laws The Employee Retirement Income Security Act Sarbanes-Oxley and other whistleblower laws Wage and hour laws Anti-discrimination ...

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...