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Mark Jacobstein
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Profile
Mark Jacobstein is the founder of Jimini Health, Inc., founded in 2023, serving as President.
Mr. Jacobstein is also the founder of Small World Sports, Inc...
Mr. Jacobstein is currently Director at Luminopia, Inc. Mr. Jacobstein is General Partner at South Park Commons Management LLC, starting in 2026.
Former positions include Chief Executive Officer at iSkoot, Inc., Director at Full Circle Fund Ltd., Executive Vice President at Loopt, Inc., SVP-Sales & Business Development at iXL, Inc., President & Chief Operating Officer at Digital Chocolate, Inc., and Principal at Bloomberg, Inc. Education includes graduate studies at Harvard University.
Mark Jacobstein active positions
| Companies | Position | Start |
|---|---|---|
Luminopia, Inc.
 Luminopia, Inc. Internet Software/ServicesTechnology Services Operates virtual reality content platform, which treats lazy eye | Director/Board Member | - |
South Park Commons Management LLC
 South Park Commons Management LLC Investment ManagersFinance South Park Commons invests in companies located in the United States. The firm focuses on companies operating across a broad range of sectors. It provides financing for pre-seed and seed capital requirements with an investment size of USD 1 - 10 million and also makes follow on investments. | Private Equity Investor | 2026-01-31 |
Former positions of Mark Jacobstein
| Companies | Position | End |
|---|---|---|
Bloomberg, Inc.
 Bloomberg, Inc. Internet Software/ServicesTechnology Services Provides business and financial information, data, news & insights services | Corporate Officer/Principal | - |
Full Circle Fund Ltd.
 Full Circle Fund Ltd. Miscellaneous Commercial ServicesCommercial Services Operates as a non profit organization that provides training services | Director/Board Member | - |
iXL, Inc.
 iXL, Inc. Internet Software/ServicesTechnology Services Provides interactive entertainment and communications services via Web sites | Sales & Marketing | - |
Small World Sports, Inc. | Founder | - |
Loopt, Inc.
 Loopt, Inc. Packaged SoftwareTechnology Services Provides social network services | Corporate Officer/Principal | - |
Training of Mark Jacobstein
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
25
1st degree connections
10
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 10 |
|---|---|
iSkoot, Inc.
 iSkoot, Inc. Information Technology ServicesTechnology Services Provides mobile and internet programming software and services | Technology Services |
Loopt, Inc.
Loopt, Inc. Packaged SoftwareTechnology Services Provides social network services | Technology Services |
Full Circle Fund Ltd.
Full Circle Fund Ltd. Miscellaneous Commercial ServicesCommercial Services Operates as a non profit organization that provides training services | Commercial Services |
Harvard University
 Harvard University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
iXL, Inc.
iXL, Inc. Internet Software/ServicesTechnology Services Provides interactive entertainment and communications services via Web sites | Technology Services |
Digital Chocolate, Inc.
 Digital Chocolate, Inc. Packaged SoftwareTechnology Services Develops games and applications for mobile phones | Technology Services |
Bloomberg, Inc.
Bloomberg, Inc. Internet Software/ServicesTechnology Services Provides business and financial information, data, news & insights services | Technology Services |
Small World Sports, Inc. | |
Luminopia, Inc.
Luminopia, Inc. Internet Software/ServicesTechnology Services Operates virtual reality content platform, which treats lazy eye | Technology Services |
South Park Commons Management LLC
South Park Commons Management LLC Investment ManagersFinance South Park Commons invests in companies located in the United States. The firm focuses on companies operating across a broad range of sectors. It provides financing for pre-seed and seed capital requirements with an investment size of USD 1 - 10 million and also makes follow on investments. | Finance |
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