Alison E. Zinn

Companies large and small frequently engage Roger to provide counsel on a broad spectrum of employment and immigration issues. With extensive experience and a national reputation for being at the forefront of change in immigration law, Roger is able to find positive solutions to his clients' varied needs. Roger counsels universities and companies in the healthcare, technology, and energy sectors on securing temporary and permanent visas for foreign national employees, including H-1B visas and...

Mari Perczak is the co-practice group leader of the Construction Defects department at Burg Simpson. She and her department have achieved Tier 1 status by US News and World Report, which is the highest-ranking available. Ms. Perczak has more than thirty years of experience as a Colorado trial lawyer and has successfully handled many large construction defect cases for Colorado homeowners and homeowner associations. In 2020, Ms. Perczak was lead trial counsel in a lengthy arbitration where she...

Gretchen E. Lipman is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals and Family Law. Gretchen E., 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 Gretchen E. is held by other top lawyers in the same geographic and legal practice area.

Emily Hippen focuses her practice on the acquisition, disposition, development and financing of commercial real estate projects located throughout the United States and the Caribbean. Emily successfully guides transactions from the land acquisition stage to ultimate disposition by combining her transactional expertise with her strong relationships with colleagues in other practice areas and attorneys in local markets. Emily understands that her clients’ successes may revolve around tigh...

Kevin McGreevy has extensive trial and litigation experience in federal and state courts. He was lead counsel in over 50 jury trials. Mr. McGreevy represents individuals and entities in a wide variety of matters, including white collar criminal investigations and defense, general criminal defense, regulatory matters before state and federal agencies, civil litigation and appeals. Mr. McGreevy is the lawyer other lawyers turn to for help. He has represented some of Denver’s largest law f...

Tom Bieging is of counsel with the firm. He focuses his practice in the areas of banking and commercial litigation. Mr. Bieging’s financial institutions practice includes holding company and change of control applications, loan documentation, regulatory compliance advice, loan work outs, board representation, and the sale, acquisition, and merger of banks and bank holding companies. Mr. Bieging has litigated with government agencies on financial institution policy matters with national ...

Mike Sanchez practices employee benefits, tax, and healthcare law. He counsels his clients on planning and structuring employee benefits plans. Mike often serves as a legal advisor to professional services entities and coordinates with other Taft attorneys to address these clients’ diverse legal needs.

Elisabeth A. Cortese is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Elisabeth A., 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 Elisabeth A. is held by other top lawyers in the same geographic and legal practice area.

In business and legal malpractice litigation, Betsy’s clients include small and large businesses, as well as individuals seeking to protect their business and personal interests. She represents clients before state and federal trial courts, in arbitration, and on related appeals. Betsy’s trial practice focuses on high-stakes business and legal malpractice litigation in disputes involving claims of breach of fiduciary duties, fraud, negligence, breach of contract, dissolution and r...

Katy Miller earned her reputation as a first-rate employment attorney, tough litigator and savvy negotiator over a 25-year career that included successfully pursuing class/collective actions in age and gender discrimination cases. Katy began her legal career in 1980 with Holland & Hart, and in 1985 joined the law firm of Miller & Steiert, P.C. She emphasized employment law and workplace disputes before moving to full-time practice as a neutral. Having spent decades in the courtroom, K...