Paul J. O'Riordan

Jerome (Jerry) B. Tichner focuses his practice on representing hospitals and health systems in transactional matters, including mergers, acquisitions, joint ventures, affiliations and dispositions. He also devotes a significant portion of his practice to representing private equity firms and their platform companies with respect to the acquisition and divestiture of health care-related companies and assets. In recent years, Jerry has led or played a leading role in transactions involving the ...

Nikki Marie Sherwood is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Nikki Marie, who practices law in Boston, Massachusetts, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nikki Marie is held by other top lawyers in the same geographic and legal practice area.

With a focus on complex transactions and regulatory compliance, Patrick Healy represents a wide range of healthcare industry participants, including non-profit and for-profit health systems, academic medical centers, physician organizations, post-acute providers and health plans. He works alongside his clients to execute their most critical transactions and strategic initiatives, leveraging corporate and healthcare regulatory expertise to drive an efficient and client-oriented approach to ach...

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 ...

Dianne R. Phillips is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law, Environmental Law, Land Use and Zoning Law and Litigation - Environmental. Dianne R., 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 Dianne R. is held by other top lawyers in the same geographic and legal practice area.

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...

Jim Duffy concentrates his practice on structuring and closing transactions involving federal income tax credits and other significant federal and state income tax incentives. My focus Renewable energy I primarily work on financing matters that use tax credits and other tax incentives (including Production Tax Credits for wind and other forms of renewable energy and Energy Investment Tax Credits for solar and certain other forms of renewable energy) to develop renewable energy production faci...

Eric Gold is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Eric, who practices law in Boston, Massachusetts, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eric is held by other top lawyers in the same geographic and legal practice area.

Kara J. Carey is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Kara J., who practices law in Walpole, Massachusetts, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kara J. is held by other top lawyers in the same geographic and legal practice area.

Dawna Steelman structures and closes real estate transactions financed through federal and state tax credits, with a focus on low-income housing (LIHTC), historic preservation and solar tax credits. As counsel to investors, syndicators and developers, she has closed more than 200 deals around the country with more than $2B in equity. Along with structuring transactions, she negotiates the construction and permanent financing (including tax-exempt bonds and public and private grants and loans)...