John W. Fieldsteel

Julia R. Hesse is a lawyer recognized by Best Lawyers in the practice area of Health Care Law. Julia R. practices law in Boston, Massachusetts Best Lawyers has recognized Julia R. Hesse 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 Julia R. Hesse is held by other lawyers.

John Morrier works with troubled companies and their owners in business restructuring matters, both court-supervised and out of court, and advises clients in buying and selling assets in distress situations.Both a litigator and a deal lawyer, John has extensive experience in all aspects of bankruptcy and commercial law, including litigation in federal and state courts and structuring and documenting complex transactions. He represents debtors, secured and unsecured creditors, executives, insu...

Omer Tene is a lawyer recognized by Best Lawyers in the practice area of Privacy and Data Security Law. Omer practices law in Boston, Massachusetts Best Lawyers has recognized Omer Tene 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 Omer Tene is held by other lawyers.

Mike Sartor is a corporate partner in the Boston office of Kirkland & Ellis LLP. Mike focuses on representing private equity sponsors as well as public and private companies in connection with mergers and acquisitions. Mike also has substantial experience representing private equity firms in their fund formation activities and strategic transactions and representing public and private companies in general corporate law matters. Representative clients include 3i Group plc, Cerberus Capital...

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...

Mark E. Schreiber focuses his practice on cybersecurity, data breach response and global privacy coordination. He advises entities facing cross-border data protection, the General Data Protection Regulation (GDPR), Privacy Shield and related issues, strategic decisions, cyber assessments and investigations. Mark has led numerous multi-national and cross-border matters, including those involving data breaches, data transfer and credit card/PCI matters. He has advised senior management, boards,...

Attorney Jamie Sultan has 40 years of experience fighting for clients facing serious criminal charges in both state and federal courts. His practice includes fending off charges against clients under investigation, defending clients who have been charged, and prosecuting appeals and post-trial motions on behalf of clients following conviction. He has appeared in trial and appellate courts throughout Massachusetts and in seven other states. Jamie has handled a number of high-profile cases. Som...

Ronald Eisenstein focuses his practice on advising biotechnology and pharmaceutical companies, research institutes, and universities on patent portfolio management, post-issuance strategies, dispute management and due diligence. He is also a member of the firm’s Life Sciences team. My focus I focus my practice on helping clients devise and execute strategies for managing their patent portfolios as well as navigate the changing patent landscape. I leverage my scientific background, exten...

Chris has a wide-ranging practice, which has included everything from sophisticated estate planning to multi billion dollar mergers and acquisitions. His primary experience has been in representing family or employee owned businesses and their shareholders in all aspects of federal income, gift and estate taxation. Chris also has substantial experience in the taxation of mutual funds and private investment vehicles.

Minta E. Kay is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Minta E. practices law in Boston, Massachusetts Best Lawyers has recognized Minta E. Kay since 2007. 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 Minta E. Kay is held by other lawyers.