![Reuben Leibowitz](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Reuben Leibowitz
Director/Board Member at
SIMON PROPERTY GROUP, INC.
Net worth: 15 M $ as of 31/05/2026
Profile
Reuben S.
Leibowitz is the founder of JEN Partners LLC, founded in 2005, serving as Managing Member since 2010.
Current jobs include Independent Director at Simon Property Group, Inc. since 2011, Director at Simon Property Group LP since 2005, Director at Boston Financial Investment Management LP, and Member-Governors Board at Hillel: The Foundation For Jewish Campus Life.
Former jobs include Director at AV Homes, Inc. from 2010 to 2014, Director at Chelsea Property Group, Inc. from 1993 to 2004, and Managing Director at Warburg Pincus LLC from 1984 to 2005.
Education includes undergraduate studies at Brooklyn College, graduate studies at Brooklyn Law School and New York University School of Law, and an MBA from The Leonard N Stern School of Business.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 13/05/2026 | 72,189 ( 0.02% ) | 15 M $ | 31/05/2026 |
Reuben Leibowitz active positions
| Companies | Position | Start |
|---|---|---|
| SIMON PROPERTY GROUP, INC. | Director/Board Member | 01/01/2005 |
Simon Property Group LP
 Simon Property Group LP Real Estate Investment TrustsFinance Operates as a real estate investment trust | Director/Board Member | 01/01/2005 |
JEN Partners LLC
 JEN Partners LLC Investment ManagersFinance JEN Partners specializes in real estate investments. The firm invests in start-up, growth and expansion capital, development, MBOs, LBOs, recapitalizations, corporate divestitures, distressed investments and mezzanine investments. They also invest in real estate operating financing and securities, with a focus on publicly-traded REITs, debt, mezzanine positions and bridge loans, and distressed securities and bankruptcies. JEN Partners also makes direct investments in real estate, focusing on homebuilding, public storage, industrial and office, brokerage, land entitlement, senior care residences, medical offices and laboratories, construction services, building products, real estate management and development, REITs, lodging, assisted living facilities and services and hotels. The firm primarily invests in companies based in North America, with initial investments between $2 million and $15 million and transaction size between $20 million and $150 million. They consider equity investments up to $50 million along with co-investors. | Founder | 14/09/2010 |
Hillel: The Foundation For Jewish Campus Life
 Hillel: The Foundation For Jewish Campus Life Miscellaneous Commercial ServicesCommercial Services Operates as a Jewish campus organization | Corporate Officer/Principal | - |
Boston Financial Investment Management LP
 Boston Financial Investment Management LP Finance/Rental/LeasingFinance Provides equity financing and portfolio management services for multifamily apartment properties | Director/Board Member | - |
Former positions of Reuben Leibowitz
| Companies | Position | End |
|---|---|---|
| AV HOMES INC | Director/Board Member | 10/06/2014 |
Warburg Pincus LLC
 Warburg Pincus LLC Investment ManagersFinance Warburg Pincus invests in companies located across the globe. The firm focuses on a broad range of sectors and industries. It provides financing for buyout transactions. | Private Equity Investor | 01/01/2005 |
Chelsea Property Group, Inc.
 Chelsea Property Group, Inc. Engineering & ConstructionIndustrial Services Owns, develops and manages outlet centers | Director/Board Member | 01/01/2004 |
Training of Reuben Leibowitz
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
61
1st degree connections
12
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 12 |
|---|---|
AV Homes, Inc.
 AV Homes, Inc. Real Estate DevelopmentFinance Develops and builds residential communities | Finance |
Chelsea Property Group, Inc.
Chelsea Property Group, Inc. Engineering & ConstructionIndustrial Services Owns, develops and manages outlet centers | Industrial Services |
Warburg Pincus LLC
Warburg Pincus LLC Investment ManagersFinance Warburg Pincus invests in companies located across the globe. The firm focuses on a broad range of sectors and industries. It provides financing for buyout transactions. | Finance |
Simon Property Group, Inc.
 Simon Property Group, Inc. Real Estate Investment TrustsFinance Operates as a real estate investment trust that owns, develops and manages shopping malls and outlets | Finance |
Simon Property Group LP
Simon Property Group LP Real Estate Investment TrustsFinance Operates as a real estate investment trust | Finance |
Brooklyn College
 Brooklyn College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Brooklyn Law School
 Brooklyn Law School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Hillel: The Foundation For Jewish Campus Life
Hillel: The Foundation For Jewish Campus Life Miscellaneous Commercial ServicesCommercial Services Operates as a Jewish campus organization | Commercial Services |
JEN Partners LLC
JEN Partners LLC Investment ManagersFinance JEN Partners specializes in real estate investments. The firm invests in start-up, growth and expansion capital, development, MBOs, LBOs, recapitalizations, corporate divestitures, distressed investments and mezzanine investments. They also invest in real estate operating financing and securities, with a focus on publicly-traded REITs, debt, mezzanine positions and bridge loans, and distressed securities and bankruptcies. JEN Partners also makes direct investments in real estate, focusing on homebuilding, public storage, industrial and office, brokerage, land entitlement, senior care residences, medical offices and laboratories, construction services, building products, real estate management and development, REITs, lodging, assisted living facilities and services and hotels. The firm primarily invests in companies based in North America, with initial investments between $2 million and $15 million and transaction size between $20 million and $150 million. They consider equity investments up to $50 million along with co-investors. | Finance |
Boston Financial Investment Management LP
Boston Financial Investment Management LP Finance/Rental/LeasingFinance Provides equity financing and portfolio management services for multifamily apartment properties | Finance |
The Leonard N Stern School of Business
 The Leonard N Stern School of Business Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
New York University School of Law
 New York University School of Law Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
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