John V. O'Hanlon

David G. Thomas is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. David G., who practices law in Boston, Massachusetts, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David G. is held by other top lawyers in the same geographic and legal practice area.

Tamsin is an employment lawyer and business litigator, and serves as outside general counsel to diverse nonprofits and private schools. She has extensive experience representing businesses, executives and other high-level professionals in a full range of employment-related issues from recruitment through termination. Tamsin frequently conducts workplace investigations, provides trainings on diversity and harassment, and advises employers regarding employee handbooks, employment audits, and wo...

Cynthia Mazareas has more than 30 years of experience in serving as a trusted adviser to companies in the life sciences industry. She applies her deep knowledge to provide strategic business counsel to boards, management teams and in-house counsel, representing high-growth private and public companies in day-to-day corporate matters and helping companies navigate through complex business transactions. Ms. Mazareas is Chambers recognized, named in Best Lawyers in America for biotechnology and ...

Chris Queenin is an experienced litigator who helps his clients navigate complex business disputes and regulatory matters. His practice is concentrated in highly regulated industries, including telecommunications, finance, gaming and construction. What do you focus on? I help clients in highly regulated industries solve their business problems. Achieving successful outcomes for these clients requires an intimate understanding of their business, including the regulatory and legal framework gov...

Timothy W. Mungovan is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Timothy W., who practices law in Boston, Massachusetts, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Timothy W. is held by other top lawyers in the same geographic and legal practice area.

Katie D. Cintolo is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Katie D., who practices law in Lexington, Massachusetts, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katie D. is held by other top lawyers in the same geographic and legal practice area.

Sam Goldblatt, former chair of Nixon Peabody’s Litigation Department represents manufacturing and service businesses in disputes in federal and state courts and before arbitration panels. What do you focus on? I leverage my more than 30 years of experience to help clients manage their complex and high-stakes disputes with other businesses, individuals and governmental agencies. My practice focuses on three main areas. Products Liability, Mass Tort and Class Actions I’ve represente...

Meghan Walsh is a tax partner with extensive experience in transactional matters for both corporations and pass-through entities. Ms. Walsh’s practice includes taxable and tax-free mergers and acquisitions, capital markets transactions, and lending and financing transactions, as well as partnerships, joint ventures and fund formations. Ms. Walsh also advises clients with respect to equity compensation in corporate and pass-through structures. Ms. Walsh also has experience with federal a...

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

Stuart Cable is a trusted advisor to a number of world’s most innovative technology and life sciences companies. From emerging startups to established global brands in the technology and life sciences sectors, Mr. Cable’s visionary leadership, business acumen and unparalleled experience allows him to navigate the increasingly rapid pace of change and serve the varied needs of the innovators shaping the future. Mr. Cable’s boundless commitment to innovation has also made him ...