John Caleb Dougherty

David serves as Managing Partner and is a Tax Partner in Sullivan’s Boston office, bringing over 25 years of experience to his dual roles. Leadership Role As Managing Partner, David collaborates closely with the firm’s Management Committee, partners, and business professionals to advance Sullivan’s vision of becoming a leading global, commercially focused mid-size law firm. He is dedicated to: Cultivating a culture of deep loyalty and high performance Implementing innovative...

Elisa A. Filman is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. Elisa A. practices law in Needham, Massachusetts Best Lawyers has recognized Elisa A. Filman since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Elisa A. Filman is held by other lawyers.

Karla Chaffee focuses her practice on land use permitting and real estate due diligence. She helps her clients maximize efficiency by charting a coordinated permitting strategy through a deal’s lifecycle. My focus Land Use Permitting I provide guidance to clients seeking zoning approvals and other development entitlements. I lay the groundwork for successful projects by working with clients, planning staff, and elected and appointed officials to navigate local, state, and federal permit...

Henry concentrates in all facets of estate planning, trust and estate administration, estate, gift and generation-skipping tax planning, prenuptial agreements, charitable giving planning including establishing and representing charitable trusts, foundations and other non-profit organizations.

Mark Barnes is a lawyer recognized by Best Lawyers in the practice area of Health Care Law. Mark practices law in Boston, Massachusetts Best Lawyers has recognized Mark Barnes since 2001. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Mark Barnes is held by other lawyers.

David M. Connelly is a lawyer recognized by Best Lawyers in the practice area of Employment Law - Management. David M. practices law in Boston, Massachusetts Best Lawyers has recognized David M. Connelly since 2022. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which David M. Connelly is held by other lawyers.

Brian M. Gibbons is a lawyer recognized by Best Lawyers in the practice area of Insurance Law. Brian M. practices law in Boston, Massachusetts Best Lawyers has recognized Brian M. Gibbons since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Brian M. Gibbons is held by other lawyers.

Hon. James E. Vallee James Vallee is the practice group leader of the Government Relations & Public Policy group and a member of the Real Estate practice group. Jim works with large and mid-size corporate and non-profit clients providing strategic advice on government relations matters, including executive branch and legislative lobbying on policy, regulatory, and procurement matters at both the state and federal levels. Jim also serves as managing partner of the Boston office. What do yo...

Tim Perla is a seasoned litigator and strategic counselor with over two decades of experience defending complex litigation involving securities, corporate governance, and life insurance. A results-oriented leader, he has repeatedly defeated class certification, secured dismissals, and led high-stakes defenses on behalf of banks, life insurance companies, life sciences and technology firms, healthcare companies, energy companies, and other companies across all sectors of the economy.

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,...