10 Northwell Health legal leaders
Alexandra Trinkoff, Deputy General Counsel and Vice President at Northwell Health, is the first of these Northwell Health legal leaders, a group that also takes in deputy general counsel, vice presidents of legal affairs and senior associate general counsel. A reader can learn how legal leaders work at Northwell Health from people who have held the role.
Professionals to explore
Alexandra Trinkoff
LinkedInExperience: Deputy General Counsel and Vice President · Northwell Health
Alexandra Trinkoff has been Deputy General Counsel and Vice President at Northwell Health since March 2023, based in Port Washington, New York. Alexandra Trinkoff has also been Chief Counsel at True North Patient Safety Organization since 2018, held the role of Senior Associate General Counsel at Northwell Health from 2007 to 2023 and was Senior Attorney at Garfunkel Wild, P.C. from 1997 to 2007.
Barbara Morrissey
LinkedInExperience: Deputy General Counsel (Intellectual Property, Research, Technology & Data) · Northwell Health
Barbara Morrissey has been Deputy General Counsel (Intellectual Property, Research, Technology & Data) at Northwell Health since March 2023, based in the New York City area. Barbara Morrissey has also been VP, Intellectual Property, Research and Information Technology at Northwell Health, Inc. since 2017, and was Of Counsel at Frommer Lawrence & Haug LLP from 2003 to 2015.
Daniel Lindenberg
LinkedInExperience: Senior Associate General Counsel · Northwell Health
Daniel Lindenberg is a former Senior Associate General Counsel at Northwell Health, a role held from December 2017 to January 2022, based in the New York City area. Daniel Lindenberg has been AVP, Senior Associate General Counsel at Nuvance Health since July 2026, and was Chief Legal Officer & Interim General Counsel, Secretary at Nassau Health Care Corporation from 2025 to 2026.
Kristen Ahearn Merigliano, Esq.
LinkedInExperience: Vice President, Attorney · Northwell Health
Kristen Ahearn Merigliano has been Vice President, Attorney at Northwell Health since June 2025, based in the New York City area. Kristen Ahearn Merigliano was VP, Chief Compliance Officer at Lenox Hill Hospital from 2021 to 2025 and Associate General Counsel, Director & Privacy Officer at Memorial Sloan Kettering Cancer Center from 2014 to 2021.
Kyle Jacobi
LinkedInExperience: Vice President · Northwell Health
Kyle Jacobi has been Vice President at Northwell Health since June 2026, based in San Diego, and held the role of Assistant Vice President, Legal Affairs at Northwell Health from 2022 to 2026. Kyle Jacobi was Senior Associate General Counsel at Northwell Health from 2016 to 2022 and Vice President, Associate General Counsel & Assistant Secretary at NewYork-Presbyterian Hospital from 2012 to 2016.
Laura Monaco
LinkedInExperience: Senior Associate General Counsel · Northwell Health
Laura Monaco has been Senior Associate General Counsel at Northwell Health since May 2023, based in New York, and describes a labor and employment practice. Laura Monaco was Associate General Counsel at Northwell Health from 2019 to 2023, Associate at Epstein Becker Green from 2015 to 2019 and Law Clerk for Hon. Denis R. Hurley, United States District Judge from 2010 to 2013.
Lisa Rosenbaum
LinkedInExperience: Vice President, Office of Legal Affairs · Northwell Health
Lisa Rosenbaum has been Vice President, Office of Legal Affairs at Northwell Health since July 2026, based in New York. Lisa Rosenbaum was Assistant Vice President, Legal Affairs at Northwell Health from 2024 to 2026, Senior Associate General Counsel there from 2022 to 2024, Associate General Counsel there from 2018 to 2022 and Associate General Counsel at CareConnect Insurance Company, Inc. from 2015 to 2018.
Mark Russell
LinkedInExperience: Sr. Assoc. General Counsel, Intellectual Property · Northwell Health
Mark Russell has been Sr. Assoc. General Counsel, Intellectual Property at Northwell Health since November 2020, based in New York. Mark Russell also lists Special Counsel at Duane Morris LLP since 2018 and Counsel at Vedder since 2014, and was Legal Director--Patents at Merck from 2004 to 2014.
Matthew Berman
LinkedInExperience: Senior Associate General Counsel · Northwell Health
Matthew Berman has been Senior Associate General Counsel at Northwell Health since May 2023, based in New York, with a headline that gives the role as Assistant Vice President, Legal Affairs. Matthew Berman was Associate General Counsel at Northwell Health from 2020 to 2023, Senior Director at Northwell Health from 2016 to 2020 and Associate at Kaufman Borgeest & Ryan LLP from 2015 to 2016.
Wendy Stimpfl
LinkedInExperience: Deputy General Counsel · Northwell Health
Wendy Stimpfl has been Deputy General Counsel at Northwell Health since May 2024 and Vice President, Legal Affairs at Northwell Health since October 2017, based in the United States. Wendy Stimpfl was Senior Associate General Counsel at Northwell Health from 2012 to 2017 and Attorney at Rivkin Radler LLP from 2005 to 2012, and describes a corporate and transactional practice in health care.
Choose the right perspective
Match each person's own role, scope and time in it to the decision you face. Check when each person started the current role, or when a former person left, to judge how recent their view is.
Questions to take into the conversation
- 01What did you change first when you took on your legal role, and why?
- 02How do you decide which legal work to keep in house and which to send to outside counsel?
- 03What has your own work taught you about legal work at a large health system?
Reaching Northwell Health legal leaders
How can I contact one of these Northwell Health legal leaders?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 1 company: Northwell Health, based on profile data retrieved on October 24, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Northwell Health legal leaders?
You choose the offer, starting at $5 per person. The offer is what the person receives, and Instant Expert's fee is added on top, so a $100 offer costs you $125. The fee is 20% of what you pay. You're charged only when the person books the call or sends the answer.
What if they don't reply?
You pay nothing. Instant Expert sends follow-up reminders, and if the person hasn't booked or answered within 7 days, the request expires and any hold on your card is released. You can invite several of the 10 people on this list at once and cap your total spend, so you pay only for the ones who accept.
Can an AI agent ask one of these Northwell Health legal leaders a question?
Yes. An agent with a USDC wallet on Base can ask one question without an Instant Expert account. It names the person, for example by the LinkedIn URL on this page, and pays per ask over x402 (HTTP 402). The person answers in writing or by voice note, and if nobody answers within 7 days, the payment goes back to the wallet automatically. Claude and ChatGPT can do the same through the Instant Expert connector: setup is at /docs/mcp for Claude and /docs/chatgpt for ChatGPT. x402 docs
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
Request a correction or removal