Darrell G. Waas

In her more than 30-year career, Susie has helped her clients resolve disputes in state and federal trial and appellate courts across the nation in a wide array of areas – including real estate and other Ponzi fraud schemes, fiduciary duty litigation, intellectual property, construction, probate, professional malpractice and bankruptcy-based preference and fraudulent conveyance litigation. Whether the client is one person or dozens of individuals, a bankruptcy trustee, a corporation, or...

More than 20 years of experience navigating prominent real estate development projects. Valued counsel to some of the nation’s leading homebuilders and developers. Greg Vallin provides counsel on high-profile, complicated real estate development projects. He helps some of the region and nation’s largest homebuilders and commercial developers find solutions for the complex issues that development projects present. From representing Sterling Ranch in the simultaneous closing of 800 ...

Bill Groh is a trial-focused commercial litigator with LMB Partners in Denver, Colorado, representing clients in high-stakes disputes where precision, strategy, and decisive action matter. He handles complex cases involving contracts, business torts, intellectual property, fraud, and partnership conflicts, and is known for approaching litigation with a rigorous command of the facts and an unyielding commitment to advancing his clients’ positions. Bill’s practice centers on identif...

Stephen Wahlberg is one of the founding partners at Denver Trial Lawyers. He brings years of experience and knowledge in personal injury law to each case he takes on. His commitment to clients and attention to details have led to numerous million-dollar victories including a $2.5 million jury verdict in a car wreck case. Attorney Wahlberg currently serves as the co-chair of the Colorado Trial Lawyers Association Auto Litigation Committee as well as the Board of Directors for CTLA. He was list...

Curt Sullan was born in Fort Lauderdale, Florida, in 1962, and grew up near Chicago. He graduated from Glenbrook North High School in 1980 and from the University of Maryland in 1984. He received a bachelor’s degree in political science, with a double minor in English and Philosophy. Mr. Sullan graduated from the University of Denver College of Law in 1988 with a Juris Doctor. While at the University of Denver, Mr. Sullan served on two law reviews and was a member of the Moot Court. Mr....

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

Justin J. Prochnow assists companies with regulatory, business, and legal needs in the beverage, food, dietary supplement, cosmetic, medical device, and OTC industries. Justin works closely with companies to ensure regulatory compliance with statutes and regulations enforced by the Food and Drug Administration, the Federal Trade Commission and other regulatory agencies. This includes the review of product labels, labeling, advertising, websites and other marketing materials. Justin assists co...

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.

Michael R. Greco is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Michael R., who practices law in Denver, Colorado, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael R. is held by other top lawyers in the same geographic and legal practice area.

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...