← Back to Organizations

Principals

3

Principal Net Worth

$5.0B

Data Flags

Giving Pledge 2011 confirmed; private real estate holdings; team verified via Greene School nonprofit

Greene Family Foundation

UnknownHigh Confidence

Last verified: Jan 17, 2026

Details

Source File
research/organizations/greene-family-foundation.md
UID
fo-greene-family-foundation

Also Known As

Jeff Greene CompaniesGreene Real EstateGreene Family Office

Principals (3)

Jeff GreeneOWNS
$5B
Children (3)PrivateOWNS
Mei Sze GreeneCo-philanthropistOWNS

Team Members (12)

Adam NewtonDirector of Technology
WORKS_AT
Camile GayleSchool Counselor
WORKS_AT
Dawn DeRosaDirector of Operations
WORKS_AT
Dr. Denise SpirouHead of School
WORKS_AT
JD LopezDirector of College Counseling
WORKS_AT
Jenn RuyackDirector of Communications and Marketing
WORKS_AT
Kristina HambrockLower School Team Lead
WORKS_AT
Larry BaioDirector of HS Student Services
WORKS_AT
Melissa LezcanoDirector of Community Engagement
WORKS_AT
Mychal TemanDirector of Athletics
WORKS_AT
Sarah OsterMiddle School Team Lead
WORKS_AT
Wes LogsdonAssistant Head of School
WORKS_AT

Known Associates (3)

John Paulson

Paulson & Co., fellow subprime short investor, relationship type: peer investor

Mike Tyson

Former boxing champion, friend (hosted bachelor party), relationship type: personal friend

Political figures

Various Democratic Party leaders, relationship type: political allies/donors

Relationship Strength

Loading relationships...

Sources (1)

Changelog

  • 2026-01-17Upgraded to High confidence - verified net worth via Forbes 400 2025 (#146 at $9B). Updated from ~$5B estimate to confirmed $9B
  • 2025-12-27Added Current Team section with 12 Greene School leadership team members (including Dr. Denise Spirou as Head of School, Wes Logsdon as Assistant Head of School, and 10 other directors/team leads) and 2 family office staff members (Kylie Jovanovski - former Executive Assistant to CEO 2022-2023, Mary Costanza - Executive Assistant per Intch). Added LinkedIn URLs where available. Confirmed The Greene School Inc (EIN: 81-1359420) is Jeff Greene's nonprofit K-12 school with Jeff as President and Mei Sze as Secretary on board.
  • 2025-12-11Initial research file created. Jeff Greene (~$5B net worth, real estate billionaire, famous for 2007-2008 subprime short, Giving Pledge signatory 2011, Palm Beach-based, ran for Florida Governor 2018 and U.S. Senate 2010, married to Mei Sze Greene, operates private family office focused on real estate investments and philanthropy in education, homeless services, and children's welfare)

Engagement & Preferences