John E. Peckler

Burg Simpson shareholder Stephan J. Marsh focuses his practice on Colorado workers’ compensation claims. As a workers’ compensation trial attorney, Mr. Marsh considers many factors when evaluating a case. He works to provide a fair and honest assessment of each legal matter and apply relevant laws to ensure full benefits. Mr. Marsh is a highly experienced lawyer and is uniquely qualified to help his clients obtain the best possible outcomes. Mr. Marsh has been selected by 5280 Mag...

David St. John-Larkin is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law, Litigation - Intellectual Property and Patent Law. David, 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 David is held by other top lawyers in the same geographic and legal practice area.

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

Rajesh Kukreja is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Rajesh, 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 Rajesh is held by other top lawyers in the same geographic and legal practice area.

Ms. Montoya is a member of the firm’s Litigation Practice Group. Ms. Montoya is a seasoned trial attorney who has tried over 30 jury trials and numerous bench trials. Ms. Montoya has a broad range of experience in criminal defense and corporate defense litigation. Ms. Montoya started her legal career as a Deputy District Attorney in Denver, where she served in the Family Violence Unit, prosecuting felony crimes against children and domestic violence cases. After serving 7 years with the...

Litigation Practice Part of Davis & Ceriani’s trial team, Ms. Pappas’s experience as a litigator includes participating in all phases of multi-million dollar litigation, in jury trials as well as FINRA arbitrations. Her practice areas include securities litigation, employment law, complex commercial litigation, personal injury and general civil litigation. Her securities experience over the past twenty years includes cases across the country representing institutional investor...

Michael T. McConnell is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Ethics and Professional Responsibility Law, Legal Malpractice Law - Defendants, Litigation - Health Care, Litigation - Insurance, Medical Malpractice Law - Defendants, Personal Injury Litigation - Defendants and Professional Malpractice Law - Defendants. Michael T., who practices law in Denver, Colorado, has been recognized since 2001. This recognition is based on an exhaustive pee...

Hal specializes in franchise and intellectual property litigation and arbitration. He also has a wide range of experience in trademark registration and commercial litigation. Hal is admitted to practice law in Colorado, Wyoming, and the District of Columbia as well as the United States Courts of Appeals for the 1st, 4th, 9th, 10th, and Federal Circuits. Hal is an approved arbitrator with the American Arbitration Association. He is a member of the American Bar Association’s Intellectual ...

Katy formed Azizpour Donnelly in 2012. Prior to that, she practiced in the litigation departments of leading national and local firms, clerked for the former Chief Judge of the Tenth Circuit Court of Appeals and for the Chief Judge of the United States District Court for the District of Colorado, and worked at the International Criminal Tribunal for the former Yugoslavia. She is an experienced trial counsel. And her appellate work has earned her wide local recognition, including repeated sele...

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...