Andrew E. Lelling

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 ...

Michelle O'Brien handles environmental and land use permitting and related litigation for various types of developments including residential homes, commercial buildings, waterfront properties, wind turbines, and solid waste facilities. She defends companies in environmental enforcement matters at the federal, state, and local levels. She represents private parties in cost recovery and property damage claims involving releases of oil and hazardous materials, and assists clients with real esta...

Regina M. Pisa is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Corporate Law. Regina M., who practices law in Boston, Massachusetts, has been recognized since 2001. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Regina M. is held by other top lawyers in the same geographic and legal practice area.

Claire K. Forkner is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Claire K., 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 Claire K. is held by other top lawyers in the same geographic and legal practice area.

Mark J. Tarallo is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Mark J., 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 Mark J. is held by other top lawyers in the same geographic and legal practice area.

Eric W. Macaux is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Eric 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 Eric W. is held by other top lawyers in the same geographic and legal practice area.

Tim Silva has more than 25 years' experience providing strategic advice and guidance to firms in the asset management industry, including investment advisers, private fund managers and their principals. He previously served as chair of the firm's Investment Management Practice.

Attorney Marc A. Moccia focuses his practice in the areas of personal injury litigation, civil rights litigation, and divorce and family law. He has also litigated police misconduct cases with Partner Marsha V. Kazarosian and tried cases as lead counsel in the Family and Probate Court and Superior Court. In January 2020, Attorney Moccia was appointed to the new Massachusetts Supreme Judicial Court’s Standing Committee on Lawyer Well-Being. Attorney Moccia also sits on the Massachusetts ...

Lew is the director of Sullivan's Corporate Department in Boston. His practice is focused on a number of transactional areas. He regularly represents public and private companies in equity and debt financings, joint ventures, domestic and international mergers and acquisitions, and general corporate matters. Lew also represents financial institutions in secured and unsecured credit facilities. His clients consist of major financial institutions, private equity groups, family-owned businesses,...

Harry is the founder and Director of Murphy & King’s Restructuring Practice and has more than thirty-five years’ experience representing major stakeholders in the restructuring of financially troubled companies. He frequently represents debtor companies and entrepreneurs, creditors’ committees, trustees and receivers and acquirers in out-of-court restructurings and Chapter 7 and 11 bankruptcy cases. Recognized by Chambers USA as the Star Individual in the Massachusetts B...