Karen J. O' Connor

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...

Edward G. Black is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Patent Law. Edward G., 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 Edward G. is held by other top lawyers in the same geographic and legal practice area.

David J. Santeusanio is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. David J., who practices law in Boston, Massachusetts, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David J. is held by other top lawyers in the same geographic and legal practice area.

Of his 20 years practicing law, Ben Zimmermann has spent 20 at Sugarman & Sugarman P.C. in Boston. After finishing his studies at Fordham University School of Law, he got his start in the corporate litigation group of a large New York City firm. His path quickly changed and took him to SUGARMAN, where he has emerged as a leading trial lawyer in New England, and the managing partner of a firm with a sixty year history of excellence in litigating and trying serious personal injury cases. Ra...

Mr. Kajko is an experienced trial attorney who concentrates his practice in the litigation of complex domestic relations, custody, civil and criminal cases in all trial courts of the Commonwealth including the Probate and Family Court, Superior Court and District Court. He has handled divorce cases with marital estates valued over seventy million dollars. Mr. Kajko also represents clients in the negotiation and drafting of prenuptial and post-nuptial agreements. He represents business executi...

Jamiel E. Poindexter is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Tax Law. Jamiel E., 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 Jamiel E. is held by other top lawyers in the same geographic and legal practice area.

Ms. Vanderzanden is a Shareholder in the Boston Office. She has specialized in the area of labor and employment law for nearly 20 years. She devotes her practice to helping employers with employment related disputes, conducting investigations, providing counseling and handling disputes in litigation and arbitration. She has personally conducted dozens of investigations, including investigations involving employee allegations of misconduct by company executives and systemic discrimination. She...

Deborah Birnbach is a partner and co-chairs Goodwin’s Complex Litigation & Dispute Resolution and Public M&A / Corporate Governance practices and is a member of the firm’s Life Sciences Disputes group. She specializes in securities litigation, including class action defense; SEC, regulatory and internal investigations; M&A-related litigation; stockholder disputes; fiduciary duty claims; and proxy contests. Ms. Birnbach’s practice is national in scope and clients ...

Robert Frederickson, a partner in Goodwin’s IP Litigation practice and co-chair of the firm’s Life Sciences Disputes Sector, represents life sciences, technology and financial services companies in intellectual property litigation and complex commercial arbitrations. Mr. Frederickson is an experienced, first chair trial attorney, having tried numerous cases to juries, judges, and arbitrators across the country. Mr. Frederickson also regularly advises life sciences, biotechnology, ...

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...