Hospitals
10 Northwell Health executives
These ten current and former Northwell Health executives have held CEO, COO, CFO, EVP, SVP and market and hospital president titles at Northwell Health. A reader can learn how Northwell Health's executives build and run their teams across a large regional health system.
Professionals to explore
01—10Dan DeBarba
LinkedInExperience: Chief Financial Officer, Northern Market · Northwell Health
Chief Financial Officer, Northern Market at Northwell Health since May 2025, and also President, Norwalk Hospital at Northwell Health since July 2026, with both roles shown as current in the profile. Before Northwell Health, Dan DeBarba was Chief Financial Officer at Nuvance Health (2022–2025).
David Seligman
LinkedInExperience: EVP, Chief Integration Officer & Market President · Northwell Health
EVP, Chief Integration Officer & Market President at Northwell Health since September 2025. Other Northwell Health roles include SVP & Deputy Market President, Western Region (2022–2025), SVP & President, Long Island Jewish Valley Stream (2019–2022) and Vice President, Imaging Service Line (2016–2019).
Debbie Salas‐Lopez
LinkedInExperience: Executive Vice President · Northwell Health
Executive Vice President at Northwell Health since April 2025, a role the profile describes as Executive Vice President, Institute for Community Health and Wellness. Debbie Salas‐Lopez was also SVP, Community and Population Health at Northwell Health (2020–2025) and Chief Transformation Officer at Lehigh Valley Health Network (2017–2019).
Gerard X. Brogan
LinkedInExperience: Executive Vice President and Chief Revenue Officer · Northwell Health
Executive Vice President and Chief Revenue Officer at Northwell Health since January 2026, after serving as Senior Vice President, Chief Revenue Officer there (2018–2025). Gerard X. Brogan was also Medical Director of Revenue Operations at Northwell Health (2011–2018) and Executive Director at Northwell Health Huntington Hospital (2015–2018).
John D'Angelo, MD, FACEP
LinkedInExperience: President and CEO · Northwell Health
President and CEO of Northwell Health since October 2025, after serving as CEO-elect there (2025). The profile also lists EVP, Market President - Central Market since 2022 and Chief, Integrated Operations, Northwell Health since 2020, both with no end date shown, and says the role oversees a network of 28 hospitals.
Kevin Beiner
LinkedInExperience: Executive Vice President and Chief Operating Officer · Northwell Health
Executive Vice President and Chief Operating Officer at Northwell Health since November 2025, after serving as Executive Vice President and Chief Operating Officer - elect (2025). Other Northwell Health roles include Executive Vice President, President - Western Market (2017–2025) and Senior Vice President, Deputy Regional Executive Director (2016).
Konstantine Costalas
LinkedInExperience: Executive Vice President, Network Strategy and Chief Managed Care Officer · Northwell Health
Executive Vice President, Network Strategy and Chief Managed Care Officer at Northwell Health since September 2025. Konstantine Costalas was also Regional Chief Financial Officer at Lenox Hill Hospital (2014–2017) and Deputy Executive Director at Lenox Hill Hospital (2014–2017), and has been an Adjunct Professor at Baruch College since 2020.
Lenny Nartowicz
LinkedInExperience: SVP, President, Long Island Jewish Medical Center · Northwell Health
SVP, President, Long Island Jewish Medical Center at Northwell Health since September 2025, after serving as SVP, Deputy Market President, Eastern Market at Northwell Health (2022–2025). Lenny Nartowicz was also Deputy Executive Director at Northwell Health South Shore University Hospital (2017–2022).
Maxine Cenac Carrington
LinkedInExperience: Senior Vice President Chief People Officer · Northwell Health
Senior Vice President Chief People Officer at Northwell Health since March 2021, after serving as Deputy Chief Human Resources Officer there (2018–2021). Other Northwell Health roles include Regional HR Officer (VP), Western Region (2018–2019) and Regional Human Resources Officer (VP), Manhattan (2015–2017).
Michael J. Dowling
LinkedInExperience: President and CEO · Northwell Health
Former President and CEO of Northwell Health, with the profile listing that row from June 2002 to October 2025, and CEO emeritus there since October 2025. Michael J. Dowling was also EVP and COO at Northwell Health (1995–2002); the profile headline lists Healthcare Optimist and Author.
Choose the right perspective
Match the executive's scope to your question, since system officers, market presidents and hospital presidents see different parts of Northwell Health's decisions. Check whether each person's role is current or former and when it started, so you know how recent their view is.
Questions to take into the conversation
- 01How are decisions about new clinical programs or vendors split between system, market and hospital leadership?
- 02Which financial and operating measures does the leadership team review most often, and what prompts action on them?
- 03What does an outside partner need to show before a pilot is expanded across several hospitals or markets?
Reaching Northwell Health executives
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About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot and may describe past or present roles. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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