Mark A. Oates

Kristofer S. Riddle is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs, Product Liability Litigation - Plaintiffs and Qui Tam Law. Kristofer S., who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kristofer S. is held by other top lawyers in the same geographic and legal practice area.

Phil Comella is a partner in Taft’s Environmental group. His practice spans both regulatory counseling and environmental-based litigation. With over three decades of experience in environmental law and a focus on the solid and hazardous waste industry, he regularly counsels owners and operators of landfills, treatment facilities, recycling operations, and waste generators on compliance, enforcement, and litigation matters arising under environmental laws.

Understanding that reaching an equitable financial settlement is a priority for clients, Carlton Marcyan, a partner of the firm and a certified public accountant and financial planner, applies his business acumen to financial discovery, analysis and litigation. With a focus on preserving assets, he guides clients to strategic decisions that have a positive return. Well-regarded by the business community and judges, Mr. Marcyan represents high-level executives and their spouses. Known for his ...

Sharone Levy is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Public Finance Law. Sharone, who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sharone is held by other top lawyers in the same geographic and legal practice area.

Lisa Mazur is co-chair of McDermott Will & Emery’s Digital Health practice and advises healthcare providers and technology companies on a variety of legal, regulatory and compliance matters. Read full biography: https://www.mwe.com/people/mazur-lisa/

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

Michael J. Summerhill is a partner in the firm’s Litigation practice group. He is a seasoned litigator with extensive appellate and trial court level experience. He represents clients ranging from Fortune 500 companies to startups in a variety of industries, including health care, software, health information technology, financial services and FinTech, medical device, consumer products, and venture capital. Mike also arbitrates commercial disputes before the American Arbitration Associa...

Peter J. Roberts is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Peter J., who practices law in Chicago, Illinois, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter J. is held by other top lawyers in the same geographic and legal practice area.

Roy Bossen concentrates his practice in corporate health care. He has represented numerous hospitals and physician groups in corporate and regulatory matters. Mr. Bossen has extensive experience in compliance counseling, structuring and implementing joint ventures, physician contracting and compensation, establishing and representing medical practices and the acquisition and sale of medical practices. Mr. Bossen also has significant experience in regulatory, tax exemption and accreditation co...

Edward A. Mas II is a Shareholder at McAndrews, and has been described by his clients and peers as a “terrifically savvy litigator” who “routinely secures the best position for his clients.” As an advocate, he is “experienced, smart, aggressive, and effective.” For more than twenty years, Ed’s trial and appellate litigation practice has focused on complex patent and technology-related litigation. He has served as lead trial counsel in numerous patent ...