Denis O'Leary

Director/Board Member at CROWDSTRIKE HOLDINGS, INC.

Net worth: 104 M $ as of 2026-06-29

69 year

93 connections

Technology Services

Commercial Services

Consumer Services

Profile

Currently, Denis J. O'Leary holds the position of Non-Executive Chairman of Fiserv, Inc. He is also on the board of CrowdStrike Holdings, Inc., The Warranty Group, Inc., CrowdStrike, Inc. and Ventiv Technology, Inc. In his past career he was Chief Information Officer & Finance Director at ChaseCom LP, Chief Information Officer & Treasurer at JPMorgan Chase & Co., Senior Advisor at The Boston Consulting Group, Inc., Managing Partner at Encore Financial Partners, Inc., Chairman of NYCE Payments Network LLC and Director at Intel Security Group. He received an undergraduate degree from LaSalle University, an undergraduate degree from the University of Rochester and an MBA from The Leonard N Stern School of Business.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
CROWDSTRIKE HOLDINGS, INC. CLASS A 0.03%	2026-07-05	69,531 ( 0.03% )	53 M $	2026-06-29
CROWDSTRIKE HOLDINGS, INC. 0.36%	2024-12-10	66,669 ( 0.36% )	51 M $	2026-06-29

Denis O'Leary active positions

Companies	Position	Start
CROWDSTRIKE HOLDINGS, INC.	Director/Board Member	2011-11-30
CrowdStrike, Inc. CrowdStrike, Inc. Information Technology ServicesTechnology Services Provides security technology services	Director/Board Member	-
Ventiv Technology, Inc. Ventiv Technology, Inc. Packaged SoftwareTechnology Services Provides risk management information systems, enterprise risk management, insurance claims, billing and policy administration technology services	Director/Board Member	-

All active positions of Denis O'Leary

Former positions of Denis O'Leary

Companies	Position	End
FISERV, INC.	Chairman	2022-05-17
Encore Financial Partners, Inc.	Corporate Officer/Principal	2016-01-31
The Boston Consulting Group, Inc. The Boston Consulting Group, Inc. Miscellaneous Commercial ServicesCommercial Services Provides management consulting services	Corporate Officer/Principal	2008-12-31
JPMORGAN CHASE & CO.	Chief Tech/Sci/R&D Officer	2003-03-31
ChaseCom LP ChaseCom LP Miscellaneous Commercial ServicesCommercial Services Provides customer contact center services	Director of Finance/CFO	2002-12-31

See the detail of Denis O'Leary's experience

Training of Denis O'Leary

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Denis O'Leary's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	15
Fiserv, Inc. Fiserv, Inc. Miscellaneous Commercial ServicesCommercial Services Provides payments and financial technology solutions	Commercial Services
Rochester Christian University Rochester Christian University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Intel Security Group Intel Security Group Packaged SoftwareTechnology Services Develops anti-virus software	Technology Services
JPMorgan Chase & Co. JPMorgan Chase & Co. Major BanksFinance Provides banking, asset management, investment banking, credit card and mortgage services	Finance
Hamilton State Bancshares, Inc. Hamilton State Bancshares, Inc. Regional BanksFinance Operates as bank holding company whose subsidiary functions a state bank	Finance
CrowdStrike Holdings, Inc. CrowdStrike Holdings, Inc. Packaged SoftwareTechnology Services Develops CrowdStrike Falcon platform to detect threats and stop breaches	Technology Services
The Boston Consulting Group, Inc. The Boston Consulting Group, Inc. Miscellaneous Commercial ServicesCommercial Services Provides management consulting services	Commercial Services
The Warranty Group, Inc. The Warranty Group, Inc. Multi-Line InsuranceFinance Provides warranty, underwriting, claims administration and marketing services	Finance
NYCE Payments Network LLC NYCE Payments Network LLC Information Technology ServicesTechnology Services Develops and delivers electronic payments transferring networking solutions	Technology Services
LaSalle University LaSalle University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
ChaseCom LP ChaseCom LP Miscellaneous Commercial ServicesCommercial Services Provides customer contact center services	Commercial Services
Encore Financial Partners, Inc.
CrowdStrike, Inc. CrowdStrike, Inc. Information Technology ServicesTechnology Services Provides security technology services	Technology Services
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
Ventiv Technology, Inc. Ventiv Technology, Inc. Packaged SoftwareTechnology Services Provides risk management information systems, enterprise risk management, insurance claims, billing and policy administration technology services	Technology Services