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Jack Acosta
Director/Board Member at
RIMINI STREET, INC.
Net worth: 1 M $ as of 2026-05-30
Profile
Jack L.
Acosta is currently Director at Integral Development Corp.
since 2001, Director at Five9, Inc. UK Ltd., and Lead Independent Director at Rimini Street, Inc. since 2022.
Former positions include Chairman at SumTotal Systems, Inc. in 2009, Director at Commerce One, Inc., Director at Docent, Inc. from 2003 to 2004, President, Chief Operating Officer & Director at Tanon Manufacturing, Inc. from 1993 to 1994, Director at BenefitStreet, Inc. from 2004 to 2006, Director at Savi Technology, Inc. from 2005 to 2006, Independent Director at Five9, Inc. from 2011 to 2025, Chief Financial Officer & Executive Vice President at Sybase, Inc. from 1999 to 2001, and Chief Financial Officer & Executive VP-Finance at Portal Software, Inc. from 1999 to 2001.
Education includes undergraduate and graduate degrees from California State University-East Bay.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-06-02 | 329,721 ( 0.36% ) | 1 M $ | 2026-05-30 |
Jack Acosta active positions
| Companies | Position | Start |
|---|---|---|
| RIMINI STREET, INC. | Director/Board Member | 2013-09-30 |
Integral Development Corp.
 Integral Development Corp. Packaged SoftwareTechnology Services Provides currency and cloud-based SaaS technology solutions | Director/Board Member | 2001-04-30 |
Five9, Inc. UK Ltd.
 Five9, Inc. UK Ltd. Packaged SoftwareTechnology Services Provides cloud software services for the enterprise contact center market | Director/Board Member | - |
Former positions of Jack Acosta
| Companies | Position | End |
|---|---|---|
| FIVE9, INC. | Director/Board Member | 2025-05-20 |
SumTotal Systems, Inc.
 SumTotal Systems, Inc. Packaged SoftwareTechnology Services Provides business performance technologies | Chairman | 2009-06-30 |
BenefitStreet, Inc.
 BenefitStreet, Inc. Miscellaneous Commercial ServicesCommercial Services Provides employee benefit and consulting services | Director/Board Member | 2006-08-31 |
Savi Technology, Inc.
 Savi Technology, Inc. Packaged SoftwareTechnology Services Provides asset management solutions | Director/Board Member | 2006-06-30 |
Commerce One, Inc.
 Commerce One, Inc. Packaged SoftwareTechnology Services Provides web-based enterprise procurement solutions | Director/Board Member | 2006-04-11 |
Training of Jack Acosta
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
68
1st degree connections
13
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 13 |
|---|---|
Sybase, Inc.
 Sybase, Inc. Packaged SoftwareTechnology Services Operates as an enterprise software and services company | Technology Services |
Portal Software, Inc.
 Portal Software, Inc. Miscellaneous Commercial ServicesCommercial Services Provides accounting services | Commercial Services |
Commerce One, Inc.
Commerce One, Inc. Packaged SoftwareTechnology Services Provides web-based enterprise procurement solutions | Technology Services |
Docent, Inc.
 Docent, Inc. Packaged SoftwareTechnology Services Provides eLearning software for Global 2000 companies | Technology Services |
Integral Development Corp.
Integral Development Corp. Packaged SoftwareTechnology Services Provides currency and cloud-based SaaS technology solutions | Technology Services |
Tanon Manufacturing, Inc.
 Tanon Manufacturing, Inc. Electronic Production EquipmentElectronic Technology Provides contract manufacturing electronic services | Electronic Technology |
BenefitStreet, Inc.
BenefitStreet, Inc. Miscellaneous Commercial ServicesCommercial Services Provides employee benefit and consulting services | Commercial Services |
Savi Technology, Inc.
Savi Technology, Inc. Packaged SoftwareTechnology Services Provides asset management solutions | Technology Services |
California State University-East Bay
 California State University-East Bay Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Five9, Inc.
 Five9, Inc. Packaged SoftwareTechnology Services Provides cloud contact center software solutions | Technology Services |
SumTotal Systems, Inc.
SumTotal Systems, Inc. Packaged SoftwareTechnology Services Provides business performance technologies | Technology Services |
Five9, Inc. UK Ltd.
Five9, Inc. UK Ltd. Packaged SoftwareTechnology Services Provides cloud software services for the enterprise contact center market | Technology Services |
Rimini Street, Inc.
 Rimini Street, Inc. Information Technology ServicesTechnology Services Provides enterprise software support services | Technology Services |
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