Jim Leventhal

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

Stephen Shapiro is a partner with the firm. Mr. Shapiro’s practice is concentrated in commercial litigation, primarily with respect to the representation of policyholders, construction professionals, developers, financial institutions, and private and public business enterprises. A significant portion of Mr. Shapiro’s practice involves the pursuit and recovery of insurance benefits on behalf of policyholders, including construction-defect liability claims, professional liability c...

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...

Todd Fredrickson is managing partner of the Denver office. He also serves as Chair of the firm's Diversity and Inclusiveness Committee. Todd tries employment cases before juries, judges, and arbitrators. His practice involves representing employers in various matters arising under such laws as Title VII, Americans with Disabilities Act (ADA), Family Medical Leave Act (FMLA), Age Discrimination in Employment Act (ADEA), National Labor Relations Act (NLRA), and Fair Labor Standard Act (FLSA). H...

Melissa Cizmorris focuses her practice on employment litigation and counseling. Melissa has litigated in state and federal courts throughout Colorado, Kansas, New York, and New Jersey and represents employers in a variety of labor and employment matters involving Title VII discrimination and harassment claims, FLSA and other wage actions, claims brought under the ADA and FMLA, and non-compete and trade secret enforcement. Melissa also advises human capital and human resources outsourcing comp...

Jim was born and raised in Denver, Colorado. He graduated from the University of Colorado with a degree in Economics in 1988. He attended the University of the Pacific, McGeorge School of Law and graduated in 1992. He was elected to Order of the Coif and was honored as the Valedictorian of his graduating class. Jim was voted the Outstanding Graduating Senior Award for 1992. In addition to receiving the Valedictorian Award for McGeorge School of Law, 1992, Jim has received many merit awards, i...

David Zwisler is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. David, 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 David is held by other top lawyers in the same geographic and legal practice area.

Allison Nelson focuses her national practice on representing healthcare systems in complex real estate transactions and mergers and acquisitions. In the healthcare sector, Allison negotiates compliant sales and acquisitions, joint venture developments, and leases, ground leases, and subleases. She partners with clients to build and improve systems to manage real estate portfolios to ensure compliance with federal and state healthcare regulatory laws. She is also experienced in navigating clie...

Peter W. Burg J.D. is one of America’s leading trial lawyers and one of the country’s foremost legal experts handling claims for persons with traumatic brain and/or spinal cord injuries. Mr. Burg is a senior shareholder at Burg Simpson Eldredge Hersh & Jardine, a national trial firm known for fighting for victims of negligence, malfeasance, malpractice, and abuse that has secured over $1 billion in verdicts, settlements, and judgments on behalf of its clients. Over the course ...

Nick Fogel is the practice group leader of Burg Simpson’s workers’ compensation department, which has achieved Tier 1 status by US News and World Report (the highest-ranking available). His practice is devoted to those who have been injured while working on the job and in the line of duty. In this capacity, Nick has extensive courtroom experience handling a wide variety of matters. Nick’s practice focuses on the representation of law enforcement, firefighters, and first resp...