About John Stamatopoulos
John Stamatopoulos is an executive officer at Brook.
Experience
This experience comes from John Stamatopoulos's profile and from SEC filings. For roles taken from filings, the years are when the filings name John Stamatopoulos in the role, so the role may have started earlier or lasted longer.
CL
ClinNEXUS Current
Chief Growth Officer
2026 – Present
Brook, Inc.
Chief Revenue Officer (CRO)
2025 – 2026 · Seattle, WA
Brook provides remote care software to healthcare organizations.
KV
Koa Health - (Morningside Ventures)
Chief Revenue Officer (CRO)
2024 – 2025
BE
BetterNight
Chief Revenue Officer (CRO)
2022 – 2023
NU
Northeastern University
Entrepreneur-in-Residence
2022 – 2023
DH
Dario- Happify Health
Senior Vice President, Payor Strategies
2020 – 2022
AH
Aptar Digital Health
Vice President of Sales & Head of US Commercial Operations
2018 – 2020
VA
VOLUNTIS (Publicly traded IPO 6/2018, acquired by Aptar)
Vice President - Payer Sales
2017 – 2018
EI
Empathetics, Inc.
President & Chief Operating Officer (CEO Equivalent)
2016 – 2018
IN
Inovalon
National Director of Business Development
2015 – 2016
RE
Relias
Sr. Director of Patient Safety Initiatives
2011 – 2014
Key Colleagues at Startups
The people John Stamatopoulos works with at each company, as listed on that company's latest Form D.
Brook, Inc. · Form D, May 14, 2026
KM
Kit Macgillivray
Executive officer
AF
Alexandria Foley
Executive officer
ON
Oren Nissim
Chief Executive Officer and director
MW
Michael Waters
Director
EM
Edward Moore
Director
GS
Gregory Santabarbara
Executive officer
SM
Sergio Melgar
Director
DL
David Lippes
Director