David Welsh

Chairman at

OneStream Software LLC

Net worth: 635 229 $ as of 2026-06-29

58 year

64 connections

Technology Services

Finance

Consumer Services

Profile

David Welsh is Chairman at OneStream Software LLC since 2019.
Holds director positions at BrightRoll, Inc., Atlantis Computing, Inc., Sportgenic, Inc. since 2009, ReliaQuest LLC, Five9, Inc. UK Ltd., Seo Scholars, Special Olympics Northern California, and is Lead Independent Director at OneStream, Inc. since 2024.
Partner and Head-TMT Growth Equity at KKR Group Co., Inc. since 2016 and Partner at Kohlberg Kravis Roberts & Co. LP since 2016.
Former Chairman at Cherwell Software LLC from 2020 to 2021.
Independent Director at ForgeRock, Inc. from 2017 to 2023.
Director at Ivalua, Inc. from 2018 to 2020.
Lead Independent Director at Five9, Inc. from 2014 to 2025.
Partner at Adams Street Partners LLC from 2008 to 2016.
Executive VP-Strategy & Business Development at McAfee LLC from 2007 to 2008.
Partner at Partech International, Inc. from 2000 to 2007.
Principal at Portal Software, Inc. from 1994 to 1999.
Executive VP-Strategy & Business Development at Intel Security Group.
Director at Solomio Corp., Damballa, Inc., LogRhythm, Inc., ThreatMetrix, Inc., JasperSoft Corp., Blue Casa Communications, Inc., MATRIXX Software, Inc., Mintigo, Inc. Chairman-Emeritus at Athenian School.
Education includes undergraduate degree from the University of California, Los Angeles, graduate degree from Berkeley Law University of California in 1992, and undergraduate degree from Harvard Law School in 1993.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
FIVE9, INC. 0.04%	2025-05-20	29,795 ( 0.04% )	635 229 $	2026-06-29

David Welsh active positions

Companies	Position	Start
Sportgenic, Inc. Sportgenic, Inc. Advertising/Marketing ServicesCommercial Services Provides online sports products and services	Director/Board Member	2009-06-02
Atlantis Computing, Inc. Atlantis Computing, Inc. Packaged SoftwareTechnology Services Provides virtual desktop infrastructure storage and performance optimization solutions	Director/Board Member	-
BrightRoll, Inc. BrightRoll, Inc. Internet Software/ServicesTechnology Services Provides online video advertising services	Director/Board Member	-
Five9, Inc. UK Ltd. Five9, Inc. UK Ltd. Packaged SoftwareTechnology Services Provides cloud software services for the enterprise contact center market	Director/Board Member	-
KKR Group Co., Inc. KKR Group Co., Inc. Investment ManagersFinance Provides private equity, infrastructure and real estate investment & provides asset management services	Corporate Officer/Principal	2016-05-31
Seo Scholars	Director/Board Member	-
Special Olympics Northern California Special Olympics Northern California Miscellaneous Commercial ServicesCommercial Services Operates as a non profit athletic organization that promotes unity and empowering children & adults with intellectual disabilities	Director/Board Member	-
OneStream Software LLC OneStream Software LLC Packaged SoftwareTechnology Services Provides financial analysis, compliance, accounting and tax related software solutions	Chairman	2018-12-31
ReliaQuest LLC ReliaQuest LLC Packaged SoftwareTechnology Services Develops AI powered security operations platform	Director/Board Member	-
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All active positions of David Welsh

Former positions of David Welsh

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See the detail of David Welsh's experience

Training of David Welsh

Experiences
Positions held

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Inactive

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Private companies

See the detail of David Welsh's experience

Connections

1st degree connections

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Female

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Executives

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Linked companies

Private companies	31
Portal Software, Inc. Portal Software, Inc. Miscellaneous Commercial ServicesCommercial Services Provides accounting services	Commercial Services
Intel Security Group Intel Security Group Packaged SoftwareTechnology Services Develops anti-virus software	Technology Services
Solomio Corp. Solomio Corp. Packaged SoftwareTechnology Services Provides integrated subscriber call management solutions	Technology Services
Damballa, Inc. Damballa, Inc. Information Technology ServicesTechnology Services Provides threat protection solutions	Technology Services
BrightRoll, Inc. BrightRoll, Inc. Internet Software/ServicesTechnology Services Provides online video advertising services	Technology Services
LogRhythm, Inc. LogRhythm, Inc. Information Technology ServicesTechnology Services Provides enterprise security intelligence services	Technology Services
ThreatMetrix, Inc. ThreatMetrix, Inc. Information Technology ServicesTechnology Services Provides fraud detection solutions	Technology Services
Atlantis Computing, Inc. Atlantis Computing, Inc. Packaged SoftwareTechnology Services Provides virtual desktop infrastructure storage and performance optimization solutions	Technology Services
ForgeRock, Inc. ForgeRock, Inc. Packaged SoftwareTechnology Services Operates as an identity and access management software company	Technology Services
Kohlberg Kravis Roberts & Co. LP Kohlberg Kravis Roberts & Co. LP Investment ManagersFinance KKR invests in middle market private and public companies located across the globe with an enterprise value of USD 200 - 1000 million. The firm focuses on companies operating across a broad range of sectors and industries. It provides financing in the form of equity and debt for buyouts, acquisitions and growth capital requirements. The firm makes minority and majority investments. It also makes follow on investments and co-investments.	Finance
Adams Street Partners LLC Adams Street Partners LLC Investment ManagersFinance Adams Street Partners invests in companies located across the globe with a revenues of at least USD 5 million and enterprise value of USD 150 - 750 million. The firm targets companies operating in the fields of category-leading software, mobile, healthcare, security, and financial technology. It provides financing in the form of equity and debt for secondary and growth capital requirements with an investment size of USD 20 - 50 million. The firm acts as co-investor and takes a seat on the board. It also makes follow-on investments.	Finance
University of California, Los Angeles University of California, Los Angeles Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
JasperSoft Corp. JasperSoft Corp. Information Technology ServicesTechnology Services Provides software development solutions	Technology Services
Five9, Inc. Five9, Inc. Packaged SoftwareTechnology Services Provides cloud contact center software solutions	Technology Services
Partech International, Inc. Partech International, Inc. Investment ManagersFinance Partech is an active manager which provides financing for seed and early-stage capital requirements. The firm invests in information technology specifically software and internet, healthcare information technology and communication and components.	Finance
Sportgenic, Inc. Sportgenic, Inc. Advertising/Marketing ServicesCommercial Services Provides online sports products and services	Commercial Services
Blue Casa Communications, Inc. Blue Casa Communications, Inc. Specialty TelecommunicationsCommunications Provides home phone services	Communications
Athenian School Athenian School Other Consumer ServicesConsumer Services Operates school	Consumer Services
KKR Group Co., Inc. KKR Group Co., Inc. Investment ManagersFinance Provides private equity, infrastructure and real estate investment & provides asset management services	Finance
MATRIXX Software, Inc. MATRIXX Software, Inc. Packaged SoftwareTechnology Services Develops platform that transforms and simplifies billing operations	Technology Services
Ivalua, Inc. Ivalua, Inc. Packaged SoftwareTechnology Services Develops procurement empowerment platform	Technology Services
Berkeley Law University of California Berkeley Law University of California Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Mintigo, Inc. Mintigo, Inc. Packaged SoftwareTechnology Services Develops predictive analytics platform for marketing and sales	Technology Services
ReliaQuest LLC ReliaQuest LLC Packaged SoftwareTechnology Services Develops AI powered security operations platform	Technology Services
Cherwell Software LLC Cherwell Software LLC Information Technology ServicesTechnology Services Provides information technology and management software services	Technology Services
Harvard Law School Harvard Law School Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Five9, Inc. UK Ltd. Five9, Inc. UK Ltd. Packaged SoftwareTechnology Services Provides cloud software services for the enterprise contact center market	Technology Services
OneStream Software LLC OneStream Software LLC Packaged SoftwareTechnology Services Provides financial analysis, compliance, accounting and tax related software solutions	Technology Services
McAfee LLC McAfee LLC Information Technology ServicesTechnology Services Provides data protection and VPN technology services & PC application for online privacy	Technology Services
Seo Scholars
Special Olympics Northern California Special Olympics Northern California Miscellaneous Commercial ServicesCommercial Services Operates as a non profit athletic organization that promotes unity and empowering children & adults with intellectual disabilities	Commercial Services