David J. Zimmer

Shayla Harlev is a transactional partner in the Boston office of Kirkland & Ellis LLP. Shayla has a diverse transactional and corporate counseling practice with an emphasis on representing private equity sponsors in connection with acquisitions and dispositions and other complex transactions. She has extensive experience with leveraged buyouts and dispositions of public and private companies, as well as going-private transactions, minority investments and joint ventures. Shayla also couns...

Eric F. Lockwood is a lawyer recognized by Best Lawyers in the practice area of Immigration Law. Eric F. practices law in Boston, Massachusetts Best Lawyers has recognized Eric F. Lockwood since 2018. 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 Eric F. Lockwood is held by other lawyers.

Mark E. Tully is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation and Corporate Law. Mark E. practices law in Boston, Massachusetts Best Lawyers has recognized Mark E. Tully since 2013. 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 E. Tully is held by other lawyers.

Ronald Cahill is well-respected for his work with clients of virtually all sizes to solve their most challenging intellectual property problems. His advice ranges from designing protection that maximizes the value of the client’s investment in research and development to applying that IP in court and in the marketplace, which allows clients to realize that value. With decades of courtroom experience, Ron has led trial teams in patent infringement cases around the country. He also conduc...

Advising on a wide range of transactional and regulatory matters, Rebecca (Becca) Waltuch counsels hospitals, health systems, accountable care organizations (ACOs) and other healthcare clients through complex operational and contracting matters, including multi-state physician practice acquisitions, joint ventures and provider employment agreements. Becca advises clients on structuring transactions and navigating any health regulatory issues that arise in such transactions. Becca is also expe...

Robert J. Keegan is an attorney with Keegan Werlin LLP in Lexington, Massachusetts, whose practice includes Energy Law and utility regulatory matters . He has been recognized by Best Lawyers in the area of Energy Law since 1991 based on peer review within the legal profession. Mr. Keegan advises clients on a wide range of regulatory, administrative, and compliance matters affecting the energy and utility industries. His work includes matters involving regulatory approval of mergers and acquis...

Johanna W. Schneider advises clients on real estate development permitting and land use and environmental disputes. She represents public and private clients in real estate disputes at all stages of litigation, including trials, mediations and appeals. Her experience includes: Zoning, subdivision, wetlands and land use permitting appeals Real property disputes, including easement, adverse possession and construction claims Environmental contamination disputes Working on complex real estate de...

John Egan, a partner and co-chair of the firm’s Technology practice, focuses on corporate securities, venture capital, growth equity and technology enterprises. Mr. Egan's practice involves early and late-stage venture financings, growth equity and leveraged recapitalizations, IPOs, mergers and acquisitions, joint ventures, strategic licensing and the general representation of public and private emerging growth companies. Mr. Egan works with clients in industries ranging from enterprise...

Jay Rosenbaum is a partner in Nixon Peabody's Private Clients group and the leader of the firm’s International Private Clients team. Jay represents high net worth individuals and families both in the US and around the globe. What do you focus on? Individuals and families are at the core of my practice, with a strong focus on international families. I also serve domestic high net worth families and have special experience integrating estate and business planning. International Private Cl...

Loretta R. Richard is a lawyer recognized by Best Lawyers in the practice areas of Employee Benefits (ERISA) Law, Public Finance Law and Tax Law. Loretta R. practices law in Boston, Massachusetts Best Lawyers has recognized Loretta R. Richard 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 Loretta R. Richard is held by other lawyers.