Matthew J. "Matt" Leonard

Adrianne Ortega is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Adrianne, who practices law in Boston, Massachusetts, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Adrianne is held by other top lawyers in the same geographic and legal practice area.

Katie L. S. Von Kohorn is a top attorney recognized by Best Lawyers in the practice area(s) of Nonprofit / Charities Law, Tax Law and Trusts and Estates. Katie L. S., 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 Katie L. S. is held by other top lawyers in the same geographic and legal practice area.

David V. Cappillo is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law and Venture Capital Law. David V., who practices law in Boston, Massachusetts, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David V. is held by other top lawyers in the same geographic and legal practice area.

Jeffrey W. Greene is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Jeffrey W., 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 Jeffrey W. is held by other top lawyers in the same geographic and legal practice area.

Leslie P. King is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Litigation - Construction. Leslie P., who practices law in Boston, Massachusetts, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Leslie P. is held by other top lawyers in the same geographic and legal practice area.

Vic counsels clients on regulatory compliance and permitting matters in all areas of environmental and land use law. He represents clients with respect to environmental, zoning and other land use aspects of business and real estate transactions and has worked on various major Boston area developments, including waterfront projects. Vic oversees environmental due diligence for acquisitions and financings of residential, industrial and commercial properties throughout the country, representing ...

Eleanor Evans has over 20 years’ experience representing nonprofit and for-profit organizations in a diverse range of legal, governance and compliance matters. She provides practical advice to private foundations, public charities and other tax-exempt organizations on strategic initiatives and day-to-day operations. Having served nonprofit organizations in senior legal and management positions, Eleanor understands the opportunities and challenges her clients face. She works collaborativ...

Katherine J. Michon was named by Best Lawyers as a 2015 “Lawyer of the Year” based on the high esteem in which she is held by her colleagues. She and her partners pioneered the firm’s nationally-ranked executive advocacy practice which focuses on the legal needs of executives, professionals and select businesses in sophisticated employment matters. Ms. Michon was also selected for the 2017 Edition of “Best Lawyers in America,” and in 2012 she was named a Top Woma...

John Butts is Chair of the Firm’s Commercial Litigation Group. He has prevailed in trials and arbitrations across the country for a wide range of clients in high stakes commercial disputes. John represents clients in a broad range of matters, including complex contract disputes, business torts, trade secrets cases, consumer matters, and class actions. His work has spanned a number of industries, including the automotive industry, financial services, real estate, and biotechnology.

Mark E. Schreiber focuses his practice on cybersecurity, data breach response and global privacy coordination. He advises entities facing cross-border data protection, the General Data Protection Regulation (GDPR), Privacy Shield and related issues, strategic decisions, cyber assessments and investigations. Mark has led numerous multi-national and cross-border matters, including those involving data breaches, data transfer and credit card/PCI matters. He has advised senior management, boards,...