D. Mark "Mark" McMillan

Jacqueline M. Vidmar has more than thirty five years of environmental law experience, brings wealth of knowledge to transactional and regulatory matters and disputes. She represents companies in a variety of industries, including manufacturing, public utilities, health care and pharmaceuticals, transportation (rail and pipeline), and real estate. Ms. Vidmar excels in real estate portfolio management, M&A due diligence, contaminated property disputes, remediation and development, defense o...

Patricia Brown Holmes is a highly respected and accomplished lawyer who focuses her practice on high-stakes, “bet-the-company” commercial disputes and litigation; class actions; investigations and white collar criminal defense; environmental, social, and governance issues (ESG) such as diversity audits; and risk, reputation, and crisis management counseling for her wide range of public and private corporate clients. She is the first Black woman to lead and have her name on the doo...

Edward R. Winkofsky, Chair of the Gaming Practice, focuses his practice on gaming regulatory compliance, licensure, and private equity investments in the gaming industry. He also advises clients on internal investigations and charitable gaming. Since joining the firm in 2010, Ed has served as regulatory counsel to gaming industry suppliers and operators, sports wagering and iGaming platform providers and content creators, horse tracks, video gaming route operators, lottery providers, tribal l...

Bob Riley is a trial lawyer. He has tried a broad array of complex, high-stakes cases and has argued appeals in state and federal courts across the country. His practice focuses on product liability, mass torts, and environmental cases; class actions; and general commercial litigation. Bob’s appellate work has given rise to over forty reported decisions concerning trial consolidations, punitive damages, civil conspiracy, class certification, and constitutional interpretation. He litigat...

John A. Ybarra is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. John A., who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John A. is held by other top lawyers in the same geographic and legal practice area.

Fran is a compassionate and resourceful attorney whose practice encompasses all areas of complex family law, including divorce, marital dissolutions, child custody, allocation of parental responsibility, maintenance and child support, relocation, and asset identification and division. Fran also has extensive experience with prenuptial and postnuptial agreements. Because Harrison LLP also provides depth in multiple related practice areas, Fran’s clients benefit from sophisticated estate ...

Norma Zeitler serves as outside labor and employment and litigation counsel to nonprofit, healthcare, hospitality and manufacturing clients. Norma is totally committed to helping each client focus on its mission and mitigate the potential for a dispute through proactive counseling and development of sound policies, practices and procedures. Norma represents employers in the defense of employment discrimination, retaliatory discharge, breach-of-contract, workplace torts and restrictive covenan...

Craig Liljestrand is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Defendants. Craig, who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Craig is held by other top lawyers in the same geographic and legal practice area.

Steven A. Block is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Steven A., who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven A. is held by other top lawyers in the same geographic and legal practice area.

Mark D. Pollack is a partner in the Litigation practice of Paul Hastings and is based in the firm’s Chicago office. He also serves as the Firm’s General Counsel. Mr. Pollack concentrates his practice in the areas of white-collar criminal defense, complex commercial litigation, internal corporate investigations, and compliance counseling. He has extensive experience in counseling and defending corporations, boards of directors, and executive officers in relation to a broad range of...