Robert Petti

As a sought-after transactional and regulatory advisor, Patrick J. Martinez has built his practice on executing complex healthcare acquisitions and joint ventures. He represents private equity firms and their platform companies in the acquisition and divestiture of for-profit healthcare companies, as well as provider-to-provider deals. Read full biography: https://www.mwe.com/people/patrick-j-martinez/

Holby is a strategic intellectual property advisor who focuses on the creation, development, protection and enforcement of numerous sophisticated global patent and trademark portfolios. His practice encompasses all aspects of patent and trademark development, including prosecution, licensing, opinion work, counseling and due diligence. Holby provides legal services with a full appreciation of the perspectives of in-house counsel, management and technical staff, routinely advising them regardi...

Jacob M. Mattinson is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Jacob M., 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 Jacob M. is held by other top lawyers in the same geographic and legal practice area.

Dan Laytin is a litigation partner in Kirkland’s Chicago office. His practice is principally concentrated in the areas of antitrust and other complex litigation. Dan has been recognized as a leading antitrust practitioner by Chambers every year from 2006 to 2022; by The Legal 500 U.S. for antitrust in 2007, 2010, 2012–2014, 2016–2022, and for appellate: supreme court in 2017; and by The Best Lawyers in America, U.S. News and World Report, Best Lawyers® from 2013 to 2023....

Jeffrey S. Nowak is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Jeffrey S., who practices law in Chicago, Illinois, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey S. is held by other top lawyers in the same geographic and legal practice area.

Annemarie Tarara is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law Mediation. Annemarie, who practices law in Lake Forest, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Annemarie is held by other top lawyers in the same geographic and legal practice area.

Tia C. Ghattas is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Tia C., who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tia C. is held by other top lawyers in the same geographic and legal practice area.

David R. Doyle is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. David R., 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 David R. is held by other top lawyers in the same geographic and legal practice area.

Jennifer T. Nijman is a founding partner of the environmental firm Nijman·Franzetti LLP with wide ranging experience in litigation defense and enforcement issues as well as issues involving waste and contaminated property. She was formerly a partner and chair of the environmental practice group at the Chicago office of a national law firm. Ms. Nijman represents clients in environmental litigation and enforcement defense, including toxic tort claims, private party disputes, and actions ...

Bill Welke focuses his practice on the tax aspects of complex business transactions and entities, including: mergers, acquisitions, and leveraged buyouts; venture capital and other private equity investments; formation of private equity funds; joint ventures and partnerships; workouts and restructurings; tax contests and controversies. Described as having “encyclopedic knowledge of tax structuring strategies” and “adept at cross-border international tax planning in the conte...