David S. O'Leary

Dan's passion is representing injured people and their families in personal injury cases. He has extensive experience pursuing a wide range of personal injury cases including sex assault cases, complex medical malpractice matters and wrongful death cases. Dan has obtained millions of dollars in settlements and judgments for injured people and their families. Dan has been selected by his peers for inclusion in Best Lawyers in America and, for 2021, Best Lawyers in America named Dan “Lawy...

My practice focuses on business and commercial law, construction law, and bankruptcy and reorganization. Mr. Mulligan represents debtors, creditors, construction contractors, businesses, business owners and sole proprietors. He is well-versed in helping clients review and negotiate contracts, buy or sell companies and assets including through Bankruptcy Code Section 363 sales, obtain financing, form and govern business entities, plan for business succession, enforce creditors’ rights, a...

Micah Dawson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Micah, 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 Micah is held by other top lawyers in the same geographic and legal practice area.

Michael J. Lowder is a partner at Kerrane Storz PC in Broomfield, Colorado. His practice is dedicated to Construction Law and Litigation – Construction, where he represents homeowners and other clients in matters involving construction defects and related disputes. Michael’s career with the firm reflects steady professional growth, having previously served as a senior attorney, associate attorney, and law clerk. During law school, he gained valuable appellate experience as a judic...

Preeminent natural resources attorney. Obtains and defends development approvals for energy, mining and recreation industries. Executive level experience in the ski industry. Andrew Spielman is a widely respected energy, public lands and natural resources lawyer assisting with policy and regulatory issues involved in developing new facilities, as well as in the public land use and environmental permitting process. Committed to client success, Andy helps navigate the cyclical nature of the ene...

Kimberly Casey has over 25 years of experience in public finance, specializing in projects financed by special taxing districts and authorities. Kim represents issuers, underwriters, lenders, and developers in a variety of debt transactions, including general obligation (limited tax and unlimited tax) bonds, revenue-backed financings (secured by sales taxes, property taxes, tax increment, water and wastewater system revenues, intergovernmental revenue-sharing arrangements, and public improvem...

Mark draws on 40 years in the practice of law to support and advocate for the business interests and legal rights of clients – large national and international corporations, regional interests, middle market, small, and entrepreneurial ventures – in wide ranging litigation, general business, and transactional matters. He serves as trial counsel and advisor on large dollar, corporate governance, officer and director liability, business tort, commercial, financial institutions, and ...

Erica Payne focuses her practice on complex civil litigation and appeals. She has significant experience in a variety of fields including insurance bad faith, breach of contract, business disputes, and construction defect. She is a tenacious, empathetic, and prepared lawyer when advocating for her clients. Erica’s passion for mountain climbing and endurance running drives and informs her law practice. When presented with a challenge, she analyzes it from multiple angles and then attacks...

David G. Palmer has more than 30 years of trial and appellate experience throughout the Rocky Mountain region, Texas and California, including numerous multi-week jury trials involving claims under federal and state antitrust laws, securities and commodities laws, allegations of civil or criminal fraud, conspiracy, RICO, class actions and claims under federal environmental statutes. These representations and trials have involved parties engaged in the energy, food and beverage, financial and ...

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...