Isaac Marcus counsels clients on derivatives, structured products, banking and public finance.
Isaac has extensive experience in the field of municipal derivatives transactions. He regularly advises clients on the execution of a wide range of derivative products in the municipal and tax-exempt markets, including repurchase agreements, investment agreements, forward delivery agreements, reserve fund agreements, interest rate swaps, caps, options, forwards and other hedging arrangements.
- Best Lawyers in America, Derivatives and Futures Law, 2019-2027
- Benjamin N. Cardozo School of Law, JD, cum laude
- New York University, BA, cum laude
- Connecticut
- New Jersey
- New York
- English
- Hebrew
- Spanish

Tony Maida
Counsels healthcare and life sciences clients on government investigations, regulatory compliance, and compliance program development
Represents clients in False Claims Act qui tam matters, government audits, civil monetary penalty and exclusion investigations, and CMS suspension and revocation actions
Advises on the Anti-Kickback Statute and Stark Law, and on Medicare and Medicaid coverage and payment rules
Negotiates and implements corporate integrity agreements and makes government self-disclosures
Tony Maida counsels healthcare and life sciences clients on government investigations, regulatory compliance, and compliance program development. Drawing on his experience as a former government official, Tony has extensive experience in healthcare fraud and abuse issues, including federal and state laws (such as the Anti-Kickback Statute and Stark Law) and Medicare and Medicaid coverage and payment rules.
- Defends health care entities in government investigations and related FCA cases
- Assists health care entities in conducting internal investigations and making self-disclosures to the HHS OIG concerning Anti-Kickback Statute/Stark, Medicare billing and employing excluded person issues
- Defends health care entities in HHS OIG civil monetary penalty and exclusion investigations
- Advises entities on implementing their corporate integrity agreements
- Advises private equity and strategic investors in assessing compliance programs and controls for numerous target companies, including pharmacy benefit managers, hospitals, ambulance companies, health plans and laboratories
- Chambers USA, Healthcare, 2021-2026
- Best Lawyers in America, Healthcare Law, 2023-2027
- Office of the Inspector General, Bronze Medal for Outstanding Employee of the Year 2011
- McDermott Will & Schulte, Healthcare Regulatory & Compliance Practice Group, practice area leader
- American Health Law Association, Fraud and Compliance Forum Planning Committee Chair, 2026; Fraud and Compliance Forum Planning Committee Member, 2023-2025; Fraud and Abuse Practice Group Vice Chair of Membership, 2018-2023; Lead Coordinator Education Committee, 2012-2014
- Boston University School of Law, JD, cum laude
- Fordham University, BA, magna cum laude
- Massachusetts
- New York
- US District Court for the District of Massachusetts
- English

John T. Lutz
John T. Lutz advises clients on the tax aspects of investment funds, structured finance, derivatives and structured products. He also counsels clients on matters related to insurance products, investment tax credits, conventional US and cross-border securities offerings, and corporate mergers and acquisitions. John represents a number of tax-exempt organizations in connection with their investment activities and incentive compensation arrangements.
John handles all aspects of tax-advantaged financings and investments for financial institutions, investment fund managers, high net worth individuals, and investors. He represents banks and investment managers in connection with asset backed securities including collateralized loan obligations, structured notes, and repackagings.
- Chambers USA, Tax, 2017-2026
- Legal 500 US, Recommended, 2021–2025
- Turnaround & Workouts, Bankruptcy Tax Specialists in the Nation’s Major Law Firms, 2022–2026
- Best Lawyers in America, Tax Law, 2012–2027
- Super Lawyer, 2009–2020, 2022–2026
- American College of Tax Counsel, fellow
- International Tax Institute, president
- New York State Bar Association, Tax Section, Executive Committee (2000–2004, 2008–2026)
- Villanova University School of Law, Board of Consultors, 2021 to present
- New York University School of Law, LLM
- Villanova University Charles Widger School of Law, JD
- University of Notre Dame, BBA
- New Jersey
- New York

Lisa A. Linsky
Lisa A. Linsky focuses her practice on complex investigations and litigation. With more than 15 years’ experience as a criminal prosecutor, Lisa has handled matters involving sexual assault, abuse and misconduct. She is the founder and head of the Firm’s Institutional Sexual Misconduct Response Team (SMRT). Lisa leads a team of approximately 12 attorneys who assist institutional clients, including religious entities, academic institutions, businesses and nonprofit organizations to navigate high-profile and sensitive sexual assault and abuse matters, including Child Victims Act and Adult Survivors Act cases. Lisa’s extensive investigation and litigation experience also uniquely positions her to conduct Title IX investigations and litigations. Her clients rely on her guidance and good counsel to protect them from reputational harm that can result from being sued in these cases. Lisa draws on her experience as a seasoned prosecutor with a trauma-informed background when investigating and litigating such matters. She also handles trust and estate matters, including New York Surrogate’s Court litigation, complex commercial and civil rights litigations.
- Represents religious, academic and other organizations and businesses in cases involving the New York Child Victims Act, Adult Survivors Act and other sexual misconduct allegations
- Successfully litigated complex sexual abuse cases and obtained dismissals for multiple clients in pre-answer and pre-discovery stages of litigation
- Assists religious and other private and nonprofit organizations in evaluating risks in connection with decades-old sexual abuse allegations, and works with clients to ensure their policies and practices are state-of-the art, particularly in view of the evolving legal landscape for sexual assault and abuse cases
- Pace University Elisabeth Haub School of Law, Distinguished Service Award, 2026
- Crain’s New York Business Notable Women in Law Honoree, 2022
- Outstanding Top 100 LGBT+ Executives Role Model List, 2022
- LGBT Bar Association of New York’s Community Vision Award, 2020
- American Bar Association Litigation Section’s Diversity, Equity & Inclusion Committee, section leader
- Society of Corporate Compliance and Ethics, member
- Supreme Court, Appellate Division, First Department, Attorney Grievance Committee, member, 2018 through 2020
- Elizabeth Haub School of Law at Pace University, JD, with honors
- Villanova University, BA, with honors
- New York
- Supreme Court of the United States
- US Court of Appeals for the Third Circuit
- US District Court for the Eastern District of New York
- US District Court for the Southern District of New York

Meir A. Lewittes
Meir A. Lewittes focuses his practice on mergers and acquisitions and private equity transactions, with an emphasis on cross-border transactions and joint ventures in numerous sectors, including health care, industrials, mining and metals, chemicals, oil and gas, and pharmaceuticals. He also regularly advises family offices on all corporate matters, including direct investing, acquisitions and dispositions, corporate structuring, recapitalizations and liquidity events.
While in law school, Meir served as an article and note editor of the Journal of Legislation and Public Policy.
- Represented Kaiser Aluminum Corporation in its $670 million acquisition of Alcoa Warrick from Alcoa Corporation
- Represented Goldman Sachs in numerous growth equity investments
- Represented Sanne Group PLC in its acquisition of FLSV Fund Administration Services LLC
- Represented Sunspire Health, a leading provider of behavioral health services, in its acquisition by Kohlberg & Company
- New York University School of Law, JD
- University of Maryland, BA
- New York
- English
- Hebrew
- Portuguese

Todd A. Solomon
Designs, amends, and administers pension, profit sharing, 401(k), employee stock ownership, and 403(b) plans, as well as nonqualified deferred compensation arrangements
Counsels plan fiduciaries on ERISA Title I matters, including investment policies, private equity, hedge funds, and other alternative investments
Advises multinational clients on global employee benefits and compliance issues
Represents clients before the IRS, Department of Labor, and PBGC on benefit plan audits, corrections, and plan terminations
Todd A. Solomon focuses his practice on designing, amending, and administering pension, profit sharing, 401(k), employee stock ownership, and 403(b) plans, as well as nonqualified deferred compensation arrangements. He also counsels privately and publicly held corporations and tax-exempt entities regarding fiduciary issues under the Employee Retirement Income Security Act (ERISA), employee benefits issues involved in corporate transactions, executive compensation matters, and the implementation of benefit programs for domestic partners of employees.
- Assisted a large multi-brand restaurant operator with the $2 billion sale of a casual dining restaurant chain and the spin-off of various employee benefit plans
- Assisted an investment advisory firm with review of ERISA provisions of 10 to 15 private equity and hedge fund investments per year
- Assisted a consumer products company with a global benefits compliance review project and establishment of a global plan governance structure
- American College of Employee Benefits Counsel, Fellow
- Chambers USA, 2017-2026; Employee Benefits & Executive Compensation, Band 2, 2020-2026
- Best Lawyers in America, Employee Benefits (ERISA) Law, 2020-2026
- Thomson Reuters, Stand-out Lawyer – independently rated lawyers, 2026
- Legal 500 US, Recommended Lawyer, 2019, 2021-2025
- McDermott Will & Schulte, Pro Bono & Community Service Committee, former head
- McDermott Will & Schulte, Diversity & Inclusion Committee, member
- International Bar Association, Global Employment Institute, Council member; LGBT Law Committee, past co-chair
- Equal Justice Works, Board of Counselors, member
- Pension Action Center, Advisory Board, member
- University of Chicago Law School, JD, with honors
- University of Michigan, BBA, with high distinction
- Illinois
- English

Bradford E. LaBonte
Bradford E. LaBonte focuses his practice on US and international tax matters. He advises multinational corporations and investment funds on matters related to cross-border mergers and acquisitions, cash repatriation, controlled foreign corporation (CFC) and passive foreign investment company (PFIC) regimes, financial instrument classification, US trade or business determinations, US income tax treaty qualification and planning, and US withholding tax issues.
- New York University School of Law, LLM
- University of California, Berkeley School of Law, JD
- New York University, BA, cum laude
- New York

Toni Ann Kruse
Toni Ann Kruse has a broad-based estate and wealth transfer planning practice in New York. She advises ultra-high net worth individuals and families on estate, gift and generation-skipping transfer tax issues, trust and estate administration, state fiduciary income tax planning, and charitable gifting, as well as contested trust and estate matters. She has significant experience working with multinational clients on structuring efficient ways to benefit US persons as well as inbound and outbound planning opportunities. Toni Ann regularly works with family companies, advising on governance and succession issues between generations; drafts and administers complex estate plans; implements leveraged lifetime wealth transfer techniques; and counsels fiduciaries in complex trust and estate administration matters, often involving various asset classes across several jurisdictions.
- Best Lawyers in America, Trusts and Estates, 2024-2027
- Chambers High Net Worth, New York: Private Wealth Law, 2022-2026
- Super Lawyers, Estate Planning & Probate: New York, 2017-2019
- ACTEC Foundation Young Leader, 2016-2018
- American Bar Association, one of five attorneys selected to serve as a Trust and Estates Fellow for the Real Property, Trust and Estate Section for 2014-2016
- Fellow of the American College of Trust & Estate Counsel (ACTEC):
- Business Planning Committee, member
- Communications Committee, member
- FATF Task Force, member
- Fiduciary Administration Committee, member
- American Bar Association, Real Property Trust & Estates Section, Member of the Leadership/Mentoring Task Force
- New York State Bar Association, Member of the Estate & Trust Administration Committee
- Chair of the New York office’s Pro Bono & Community Service Committee and Leader within the Firm’s Gender Diversity Committee
- Boston College Law School, JD
- Boston College, BA
- New Jersey
- New York

Andrew B. Kratenstein
Andrew B. Kratenstein is the New York co-lead of McDermott’s Litigation Practice Group. He provides legal counsel on complex commercial litigation across a broad array of industries, including financial services, private equity, real estate, energy, sports, healthcare, life sciences, and beverage distribution. He has argued and won numerous cases at the trial court and appellate levels and in arbitral tribunals.
Argues cases with a track record of success at the trial and appellate levels and in arbitral tribunals
Represents clients in securities litigation, class actions, and bankruptcy litigation
Andrew B. Kratenstein is the New York co-lead of McDermott’s Litigation Practice Group. He provides legal counsel on complex commercial litigation across a broad array of industries, including financial services, private equity, real estate, energy, sports, healthcare, life sciences, and beverage distribution. He has argued and won numerous cases at the trial court and appellate levels and in arbitral tribunals.
- Won a jury trial and judgment in the amount of approximately $68 million for an aluminum manufacturer against a magnesium manufacturer who failed to meet its supply obligations, claiming force majeure and related defenses
- Won summary judgment on a financial institution’s claims seeking recovery on derivatives contracts collectively worth more than $450 million in two separate cases
- Won multiple post-asset acquisition working capital adjustment and earn-out arbitrations, including obtaining an approximately $74 million award plus arbitrator’s fees
- Law 360’s Weekly Verdict: Legal Lions & Lambs, named as a Legal Lion for obtaining summary judgment on behalf of a national trade association for pharmaceutical distributors, which invalidated portions of New York’s Opioid Stewardship Act as unconstitutional
- Legal 500, General Commercial Disputes, 2022-2026
- Chambers USA, 2026
- McDermott Will & Schulte, New York Litigation Practice Group, co-lead
- McDermott Will & Schulte, Litigation Training Committee, leader
- Harvard Law School, JD, cum laude
- Cornell University, BA, Phi Beta Kappa
- New York
- US Court of Appeals for the Second Circuit
- US Court of Appeals for the Third Circuit
- US Court of Appeals for the Eleventh Circuit
- US Court of Appeals for the Federal Circuit
- US District Court for the Eastern District of New York
- US District Court for the Southern District of New York
- US District Court for the Western District of New York
- English

David S. Ivill
David S. Ivill works alongside health-focused private equity (PE) companies, hospitals, health systems and physician groups on their most sophisticated transactions. His experience on both sides of the health transaction deal table gives him valuable insight into the structuring best practices, and regional and sector-specific nuances that can make or break a transaction. A nationally recognized healthcare dealmaker, David has particularly deep experience with hospitals and health systems in the Northeastern United States, where he leverages his PE experience to help hospital clients maximize their transaction goals. David serves as a practice area leader for McDermott’s global Healthcare PE practice, as well as partner-in-charge of the Firm’s New York healthcare team.See more
- Represented Northwell Health in its acquisition of Nuvance Health
- Represented PRISM Vision Group, a portfolio company of Quad-C Management and a physician-led administrative service organization that partners with eye care practices in the United States to improve patient care and create better business outcomes, in its acquisition of Millennium Eye Care, LLC, a central New Jersey-based leader in comprehensive eye care
- Represented Quad-C Management and its portfolio company, Prism Vision Holdings, LLC, in the acquisition of two New Jersey-based ambulatory surgery centers: SurgiCenter of Vineland, LLC and Pavonia Surgical Center, LLC. Both acquisitions will play an essential role in the vertical integration Prism’s established portfolio of independent eye care practices
- Best Lawyers in America, Healthcare Law, 2011-2019 and 2021-2026
- Chambers USA, Healthcare, 2015-2026
- Crain’s New York Business, Notable Leader in Law, 2024
- Legal 500 US, 2016
- New York University School of Law, JD
- Pennsylvania College of Podiatric Medicine, DPM
- Westminster College, BS, cum laude
- Connecticut
- New York
