Lorna Horton

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

Offers sophisticated, practical and comprehensible advice on complex benefits and compensation matters. More than two decades of experience advising clients of all sizes. Brings unique expertise in payroll tax treatment and reporting issues, including worker classification. David Spaulding’s experience covers a wide range of employee benefits matters, including the design, implementation, communication, administration and amendment of all types of tax-qualified retirement plans, executi...

Christine M. Hernandez is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Christine M., 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 Christine M. is held by other top lawyers in the same geographic and legal practice area.

Allison Nelson focuses her national practice on representing healthcare systems in complex real estate transactions and mergers and acquisitions. In the healthcare sector, Allison negotiates compliant sales and acquisitions, joint venture developments, and leases, ground leases, and subleases. She partners with clients to build and improve systems to manage real estate portfolios to ensure compliance with federal and state healthcare regulatory laws. She is also experienced in navigating clie...

Brian L. Duffy is a president of the firm and previously served as Chair of the firm’s 600-member Global Litigation Department from 2009-2013. He focuses his practice on trial and appellate work in the class action, employment, energy, commercial contract and product liability areas, serving as national, regional and local counsel in high-profile cases. Brian represents public and privately-held entities and their principals in complex business-related disputes arising from both interna...

Tanya brings a unique perspective to Sherr Puttmann Akins Lamb PC through her extensive background as a Master of Social Work (MSW). Prior to graduating cum laude from DePaul University College of Law, Tanya spent eight years as a Licensed Clinical Social Worker conducting custody evaluations and providing courtroom testimony of her custody findings and recommendations. Her experience gives her special insight into cases involving mental health and substance abuse issues, as well as complex d...

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

Bradley N. Shefrin is a Partner in our Denver office and is a seasoned trial attorney with over three decades of legal experience. He concentrates his practice on construction and general liability litigation defense and works closely alongside companies of all sizes to protect their interests and support the growth of their businesses. Brad specializes in insurance litigation defense for builders, general contractors, engineers, construction trade companies, design professionals, manufacture...

I represent professional clients in business disputes, civil trials, and arbitrations. I regularly represent clients in partnership disputes, business divorce, and other business separations as well as legal malpractice and other professional liability cases. My commercial litigation practice includes contract disputes as well as cases involving misappropriation of trade secrets, fraud, negligent misrepresentation, breaches of fiduciary duties, embezzlement and other theft, and other business...

Bradley A. Levin, a shareholder in the Denver law firm Levin Sitcoff PC, focuses his practice on tort and commercial litigation, especially insurance bad faith and insurance coverage disputes. He has significant litigation and trial experience. Mr. Levin received his undergraduate degree from Stanford University, with distinction, where he was elected Phi Beta Kappa. He graduated from the University of California, Hastings College of Law, and served as editor-in-chief of the Hastings Constitu...