Katherine Galloway

Deborah Kantar Gardner is a lawyer recognized by Best Lawyers in the practice area of Health Care Law. Deborah Kantar practices law in Boston, Massachusetts Best Lawyers has recognized Deborah Kantar Gardner since 2016. 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 Deborah Kantar Gardner is held by other lawyers.

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...

Edward Hickey is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Edward practices law in Boston, Massachusetts Best Lawyers has recognized Edward Hickey since 2024. 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 Edward Hickey is held by other lawyers.

Beth H. Mitchell is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Beth H. practices law in Boston, Massachusetts Best Lawyers has recognized Beth H. Mitchell since 2006. 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 Beth H. Mitchell is held by other lawyers.

Lou, Co-Chair of the firm's Lateral Partner Hiring Committee and former member of Sullivan's Management Committee, represents clients, both public and private, in commercial acquisitions, dispositions and financings across various real estate asset classes, including office, retail, senior living, hospitality and marinas, many of which are multi-state, portfolio transactions. His practice includes a particular focus on representation of real estate investment trusts (REITs). The transactions ...

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...

Michael A. Leon is a lawyer recognized by Best Lawyers in the practice area of Environmental Law. Michael A. practices law in Boston, Massachusetts Best Lawyers has recognized Michael A. Leon since 1995. 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 Michael A. Leon is held by other lawyers.

Damon M. Seligson is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation . Damon practices law in Boston, Massachusetts Best Lawyers has recognized Damon Seligson 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 Damon Seligson is held by other lawyers.

Amy Sheridan, a member of the firm's Management Committee, concentrates her practice in the employee benefits and executive compensation area and is experienced in designing, structuring and addressing documentation and compliance issues for compensation and benefit arrangements. She has broad expertise with regulatory and tax requirements related to welfare plans (including the Affordable Care Act and HIPAA privacy and security requirements), qualified and nonqualified retirement plans and I...

Partner Patrick T. Jones has been a trial lawyer since 1978 and works on substantial personal injury and medical malpractice cases. Prior to opening the law firm of Jones Kelleher, Patrick was a founding partner of Cooley Manion Jones, where he managed the contingent fee practice for over twenty-five years. Throughout his career, Patrick has tried medical malpractice, product liability, civil rights, construction site, eminent domain, and general liability tort cases. His practice has also in...