Andrew Bialecki

Chief Executive Officer at KLAVIYO, INC.

Net worth: 1 193 M $ as of 2026-05-30

40 year

3 connections

Technology Services

Consumer Services

Distribution Services

Profile

Andrew Bialecki is the founder of Klaviyo, Inc., founded in 2012, serving as Chairman & Co-Chief Executive Officer since 2026.
Mr. Bialecki is currently Director at Klaviyo Ltd. since 2019.
Former jobs include Lead Engineer at Applied Predictive Technologies, Inc. from 2007 to 2010, Senior Engineer at Performable, Inc. from 2010 to 2011, and Chief Technology Officer at RockTech from 2011 to 2012.
Mr. Bialecki completed undergraduate education at Harvard University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
KLAVIYO, INC. 32.38%	2026-05-25	75,326,229 ( 32.38% )	1 193 M $	2026-05-30

Latest news about Andrew Bialecki

25-05-14	Klaviyo Prices Secondary Offering Of 10,969,078 Shares At $34 Per Share	RE
25-05-13	Klaviyo Announces Pre-Arranged Stock Sale Plan By Andrew Bialecki, CEO And Co-Founder	RE
25-05-13	Klaviyo Announces Launch Of Proposed Secondary Offering Of Series A Common Stock	RE

Andrew Bialecki active positions

Companies	Position	Start
KLAVIYO, INC.	Chief Executive Officer	2011-12-31
Klaviyo Ltd. Klaviyo Ltd. Electronics DistributorsDistribution Services Wholesales computers, computer peripheral equipment and software	Director/Board Member	2019-06-18

All active positions of Andrew Bialecki

Former positions of Andrew Bialecki

Companies	Position	End
RockTech	Chief Tech/Sci/R&D Officer	2012-05-31
Performable, Inc. Performable, Inc. Internet Software/ServicesTechnology Services Provides internet marketing services	Corporate Officer/Principal	2011-02-28
Applied Predictive Technologies, Inc. Applied Predictive Technologies, Inc. Packaged SoftwareTechnology Services Provides cloud-based predictive analytics software solutions	Corporate Officer/Principal	2010-05-31

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Linked companies

Private companies	6
Harvard University Harvard University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Applied Predictive Technologies, Inc. Applied Predictive Technologies, Inc. Packaged SoftwareTechnology Services Provides cloud-based predictive analytics software solutions	Technology Services
Performable, Inc. Performable, Inc. Internet Software/ServicesTechnology Services Provides internet marketing services	Technology Services
Klaviyo, Inc. Klaviyo, Inc. Packaged SoftwareTechnology Services Develops marketing automation software platform	Technology Services
Klaviyo Ltd. Klaviyo Ltd. Electronics DistributorsDistribution Services Wholesales computers, computer peripheral equipment and software	Distribution Services
RockTech