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Andrew Bialecki

Andrew Bialecki

Andrew Bialecki is the co-founder and CEO of Klaviyo (NYSE: KVYO), the CRM built for consumer brands. Since founding the company in 2012, he has guided Klaviyo's growth from a startup to a publicly traded, category-defining platform that integrates marketing, customer service, analytics, and data to help businesses personalize at scale and achieve smarter, faster growth. Growing up in a family of small business owners, Andrew developed a deep passion for entrepreneurship from an early age. Prior to founding Klaviyo, he served as Chief Technology Officer at RockTech, a sales and marketing software company, and held roles at Performable and Applied Predictive Technologies. Andrew earned a Bachelor of Arts in Physics, Astronomy, and Astrophysics from Harvard University.

Posts by this author

Andrew Bialecki
9 Sept 2026
4 updates powering Klaviyo's autonomous B2C CRM
Klaviyo unveiled the Personalisation, smarter AI agents, and Klaviyo Headless. See the autonomous B2C CRM in action at K:BOS 2026.
Andrew Bialecki
20 Feb 2025
Introducing the CRM built for B2C
Klaviyo brings together marketing, customer service, and analytics into a single, data-first solution. Welcome to the new era of consumer relationships. It starts today with Klaviyo B2C CRM.