John W. Fieldsteel

Joseph P. McConnell is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Joseph P., 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 Joseph P. is held by other top lawyers in the same geographic and legal practice area.

Linda M. Ricci is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Criminal Defense: White-Collar. Linda M., who practices law in Boston, Massachusetts, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Linda M. is held by other top lawyers in the same geographic and legal practice area.

Hannah Bornstein is a litigator, trusted advisor, and the deputy practice group leader for Government Investigations & White Collar Defense. She is also a member of the firm’s Life Sciences team. She represents individuals and multi-national companies in regulatory compliance matters, investigations, and litigation. She is experienced in healthcare industry matters involving the False Claims Act; the Food, Drug and Cosmetic Act (FDA); and the Anti-Kickback Statute. My focus I counse...

Dan practiced at the firm between 1987 and 2005, before leaving to become General Counsel at GSI Group, a NASDAQ traded company with a highly diversified portfolio of laser, precision positioning, specialty optics and laser-based system products. He rejoined the firm in 2011 and manages the Litigation Practice. During his career, Dan has tried numerous cases throughout the country in both state and federal courts. His practice includes commercial business disputes involving mergers and acquis...

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...

Amanda Darwin represents indenture trustees, issuers and bondholders in structured financing arrangements and corporate and municipal debt. She focuses her practice on financial restructuring, liquidations and redemptions to assist fiduciaries in maximizing recoveries for stakeholders. What do you focus on? I practice in banking and finance, focusing on financial institutions acting as fiduciaries in the capital markets. My experience includes corporate debt, municipal debt and complex struct...

Marko C. Maglich is a Shareholder in the White Plains, N.Y. office of Jackson Lewis P.C. Mr. Maglich practices immigration law exclusively, and is a member of the firm’s Immigration practice group. Mr. Maglich’s practice deals with all aspects of business-related visas, compliance by employers and individuals with U.S. immigration law (including in M&A transactions and workplace enforcement), and in proceedings before the Departments of State, Homeland Security, and Labor. His...

Meredeth A. Beers is a partner in the Private Wealth Services Section. Ms. Beers concentrates her practice in the areas of estate planning and administration, trust and foundation administration, and taxation. Ms. Beers is a frequent speaker at continuing legal education programs in the greater Boston area. She contributed to the 1996 Massachusetts Continuing Legal Education publication, A Practical Guide to Estate Planning in Massachusetts and to the updated publication in 2000. The material...

K. Adam Kunst is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. K. Adam, who practices law in Boston, Massachusetts, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which K. Adam is held by other top lawyers in the same geographic and legal practice area.

Ameek is director of Sullivan's Tax Department and a former member of the firm's Management Committee. His practice includes domestic and international taxation, with an emphasis on mergers & acquisitions and REIT transactions. Ameek is nationally recognized for his work in REIT conversions and REIT cross-border matters. He has represented public and private REITs in an array of real property sectors, both domestically and abroad, including: business storage facilities; cold storage facil...