Keith Zittle

Peter Cal is a Member in Sherman & Howard’s Trial and Litigation Group. He has represented clients in complex commercial disputes for more than 25 years. Peter focuses on all aspects of bankruptcy and insolvency matters including workouts, restructurings, bankruptcy court litigation, as well as financial and real estate litigation in state and federal courts. Peter regularly represents secured and unsecured creditors and chapter 7 trustees.

More than 20 years working in real estate law. Experience managing transactions with as many as 276 properties in a single portfolio. Expertise handling $1.5 billion deals. These are just some of the many credentials that Nicole Ament brings to her role as Brownstein’s Real Estate Department chair—and to her clients’ projects, every day. Focusing on land use, development, financing and disposition, she spearheads transactions featuring complex portfolios and large single ass...

Co-founding partner, Stan Garnett, focuses his practice on complex litigation at the state and federal level. He is well-known for providing a solutions-based approach, from arbitration to litigation. With decades of experience on some of Colorado’s most high-profile cases and beyond, Stan is a reliable, steady hand for all types of clients facing high-stakes litigation. He’s an expert at leading a team of lawyers to help clients, whether through the court system or less formal re...

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.

Matthew Gizzi is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Claimants. Matthew, who practices law in Aurora, Colorado, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew is held by other top lawyers in the same geographic and legal practice area.

David D. Powell, Jr. is a partner in the firm’s Denver office, focusing his practice on employment and commercial litigation. Before co-founding the firm with his colleagues in 2023, David served as a Deputy Attorney General in the Colorado Attorney General’s Office, managing the eight separate legal units comprising the State Services Section. In this role, he oversaw those responsible for representing the state’s key elected officials and providing legal services in the ar...

Steve works with clients on a broad range of business and transactional matters, including buy-and sell-side mergers and acquisitions, venture capital and other equity and debt financing, operating agreements, technology transactions, joint ventures, vendor and customer contracts and securities law compliance. He brings a hands-on, experience-based approach tailored to achieving each client’s specific business objectives. Steve also serves as outside general counsel and strategic advise...

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.

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 ...

William “Bill” is the founding member of Kelly Law Partners, LLC whose commercial and employment litigation practice focuses on national and regional litigation for business clients. In response to a survey of Fortune 500 General Counsel, Bill has been named a “BTI Client Services All Star” for 4 consecutive years. He is also the sole Colorado recipient of the “Lexology Client Choice Award in Litigation” for 2017, a national survey of in-house counsel. Bill...