Sigmund J. "Sig" Roos

Karen F. Turk is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Karen F., 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 Karen F. 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...

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

Phil is a tax attorney focusing on state and local tax consulting and litigation. He has over 30 years of experience litigating and resolving major tax controversies before state supreme and appeals courts and administrative boards. While he has a solid track record of litigating cases, he has also successfully and discretely resolved hundreds of cases short of trial. His experience spans just about every area of state and local tax, including corporate income, sales and use, personal income ...

Rachel M. Self is the founding member of Rachel M. Self, P.C. She represents individuals in criminal and immigration matters, specializing in criminal trial work, family immigration, citizenship, deportation defense, and post-conviction relief. She has regularly appeared as a legal analyst for various news networks and has been featured in multiple documentary productions and interviews. After 49 migrants were abducted and flown to Martha’s Vineyard in the fall of 2022, she was instrume...

Keerthi Sugumaran is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Keerthi, 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 Keerthi is held by other top lawyers in the same geographic and legal practice area.

Amy Hackett is a Partner in Peckar & Abramson PC’s Boston, Massachusetts office, where she focuses her practice on Litigation – Construction . She represents general contractors, public and private owners, developers, and financial institutions in complex construction, real estate, and commercial disputes throughout New England and in other jurisdictions. Amy counsels and advocates for clients in matters involving construction contract claims, design and construction defect di...

Voted Massachusetts Ten Leading Litigators — The National Law Journal CURRENT ROLE Partner & Executive Committee Member, Hagens Berman Sobol Shapiro LLP Leads HBSS’s Boston office Lead negotiator in court-approved settlements totaling more than $2 billion Court-appointed lead or co-lead in ten active antitrust cases alleging injury to businesses and/or consumers caused by the delayed availability of generic drug, including: In re Glumetza Antitrust Litigation , No. 19-cv-05822...

Michael B. Barkley is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. Michael B., who practices law in Boston, Massachusetts, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael B. is held by other top lawyers in the same geographic and legal practice area.

Steven E. Gurdin is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Litigation - Trusts and Estates. Steven E., 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 Steven E. is held by other top lawyers in the same geographic and legal practice area.