Eric R. Olson

Concentrates on oil and gas, environmental and land use law. Involved in many of the major disputes facing the energy industry in Colorado. Mark Mathews has successfully represented oil and gas and mining clients and real estate development companies in litigation and regulatory rulemakings concerning oil and gas preemption and royalty issues, hazardous waste contamination, enforcement of oil and gas regulations, zoning and development disputes and land use permitting issues. Mark is outside ...

Cory G. Kalanick is a lawyer recognized by Best Lawyers in the practice area of Public Finance Law. Cory G. practices law in Denver, Colorado Best Lawyers has recognized Cory G. Kalanick since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Cory G. Kalanick is held by other lawyers.

Sean Dormer is a lawyer recognized by Best Lawyers in the practice area of Personal Injury Litigation - Plaintiffs. Sean practices law in Denver, Colorado Best Lawyers has recognized Sean Dormer since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Sean Dormer is held by other lawyers.

Langdon’s practice concentrates on complex domestic relations matters, inclusive of dissolution of marriage, legal separations, custody disputes, child support modifications, parenting time issues and post-decree matters. He is admitted to the Colorado and U.S. District Courts, the U.S. Court of Appeals and the U.S. Supreme Court.

Andrew S. Klatskin is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Andrew S. practices law in Denver, Colorado Best Lawyers has recognized Andrew S. Klatskin since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Andrew S. Klatskin is held by other lawyers.

Jim Rigberg is a seasoned business lawyer who provides end-to-end client representation in a variety of contexts. With particular expertise in the real estate and healthcare industries, Jim puts his years of courtroom experience to work advising clients on front-end strategies to secure optimal leverage and avoid exposure to costly litigation down the road. Jim also focuses his practice on Intellectual Property, where he helps clients protect their investments in their brands and creative out...

Steve Jones is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Real Estate Law. Steve practices law in Denver, Colorado Best Lawyers has recognized Steve Jones since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Steve Jones is held by other lawyers.

Josh brings a client-centered approach to his practice, and understands that there is no such thing as a “small case” when someone is the target of a criminal prosecution. He appreciates that some of the toughest battles to be fought are those that occur as a result of being accused of a crime, and that the restrictions and obstacles facing his clients can be far reaching and unanticipated. Josh is passionate about defending his clients, and takes a direct-approach on their behalf...

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...

From the beginning of her career, Lorraine has fought on behalf of those whose lives have been forever changed by the wrongs of others. As an Assistant District Attorney in Houston, from 1984 to 1992, Lorraine tried over a hundred cases, resulting in criminal convictions of rapists, child molesters, murderers and embezzlers, among others. After moving to Colorado in 1992, she switched her focus to the civil arena, finding her passion in representing individuals harmed by corporate wrongdoing,...