David J. Zimmer

Stephanie Berdik is a partner in the Investment Funds Practice Group in the Boston office of Kirkland & Ellis LLP. Stephanie’s practice focuses on advising U.S. and non-U.S. private investment fund sponsors on all aspects of their business, including establishment of private investment funds, portfolio investment activities, capital raising, fund regulatory and compliance matters, and firm ownership and operational issues. She has worked with a variety of private fund sponsors and, ...

Doug Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Litigation - Health Care. Doug, 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 Doug is held by other top lawyers in the same geographic and legal practice area.

Jane E. Remillard is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Jane E., who practices law in Boston, Massachusetts, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jane E. is held by other top lawyers in the same geographic and legal practice area.

Mark E. Tully is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Corporate Law. Mark 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 Mark E. is held by other top lawyers in the same geographic and legal practice area.

Renata J. Ferrari is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Renata J., who practices law in Boston, Massachusetts, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Renata J. is held by other top lawyers in the same geographic and legal practice area.

Sarah is a member of Sullivan’s REITs Practice Group. She advises public and private REITs, both domestic and foreign, in various industries, including: data centers, office buildings, commercial retail space, distributed antenna systems, timberlands and agricultural properties. She focuses on structuring and compliance work, including cross-border transactions. Sarah also has experience involving federal and state tax litigation and transactional planning involving corporate, franchise...

Stephen W. Bernstein specializes in e-health, “big data,” deployment of electronic health record systems and health-related matters affected by the internet and the Health Insurance Portability and Accountability Act (HIPAA), as well as private equity investments, mergers, acquisitions, affiliations and joint ventures involving technology, hospitals and physicians. Stephen is the global head of McDermott's Health Practice. Please visit our website for more on Stephen's biography: ...

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.

Tom has extensive experience representing clients in the areas of business litigation and bankruptcy. Tom’s litigation practice includes commercial, franchise, automotive, banking, director and officer liability, landlord/tenant, and non-compete litigation. In his bankruptcy practice, Tom is devoted to the representation of Chapter 7 and 11 Trustees, secured and unsecured creditors, landlords and creditors’ committees. He also frequently represents corporate clients in defending c...

Anthony D. Rizzotti represents a wide range of employers, including healthcare systems, hospitals, and life sciences companies in: Collective bargaining negotiations Contract administration Labor arbitrations Union elections Non-compete and trade secret litigation Wage and hour matters Appearing before the National Labor Relations Board and in state and federal courts in Massachusetts, Florida and Rhode Island, he also handles discrimination issues and claims arising under: The National Labor...