William H. "Bill" Dillon

Douglas Brayley is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Douglas, who practices law in Boston, Massachusetts, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Douglas is held by other top lawyers in the same geographic and legal practice area.

Joe Mueller, the Co-Chair of WilmerHale’s firm-wide Trial Practice, is a top national trial lawyer who has played a leading role in dozens of high-stakes trials in courts across the country. Just since 2020, Mr. Mueller has first-chaired the trial teams in eight trials that each involved billion-dollar stakes, as well as two other trials that each involved multi-hundred-million-dollar stakes. He is a Fellow in the American College of Trial Lawyers, the preeminent professional organizati...

Sarah Walters is an experienced trial lawyer who focuses her practice on white collar criminal defense, regulatory enforcement and compliance matters and complex civil litigation. In addition to both criminal and civil trial work, Sarah has substantial experience conducting internal investigations and representing clients in securities, healthcare and other government enforcement matters. She also assists companies in developing compliance policies and training programs. Read full biography: ...

Jeffrey Fritz is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Jeffrey, who practices law in Boston, Massachusetts, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey is held by other top lawyers in the same geographic and legal practice area.

Matthew Perreault is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Matthew, who practices law in Boston, Massachusetts, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew is held by other top lawyers in the same geographic and legal practice area.

Michael D. Beauvais is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Health Care Law. Michael D., who practices law in Boston, Massachusetts, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael D. is held by other top lawyers in the same geographic and legal practice area.

James O. Fleckner is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law and Litigation - ERISA. James O., who practices law in Boston, Massachusetts, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James O. is held by other top lawyers in the same geographic and legal practice area.

For over 25 years, Steven Ryan has practiced in the area of family law litigation, representing hundreds of clients involved in complex divorce matters. Mr. Ryan’s practice addresses all of the myriad issues that arise in the divorce setting: marital property division, inherited and gifted property, non-traditional compensation issues, business valuation, child support, child custody, alimony and the modification of previous awards of support. Complementing his experience as a trial adv...

Kat Saunders Gregor is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Controversy - Tax and Tax Law. Kat Saunders, who practices law in Boston, Massachusetts, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kat Saunders is held by other top lawyers in the same geographic and legal practice area.

Stephen W. Bernstein specializes in e-health, “big data,” deployment of electronic health record systems and health-related matters affected by the internet and the Health Insurance Portability and Accountability Act (HIPAA), as well as private equity investments, mergers, acquisitions, affiliations and joint ventures involving technology, hospitals and physicians. Stephen is the global head of McDermott's Health Practice. Please visit our website for more on Stephen's biography: ...