Multithread effectively and personalize outreach to convert deals faster
Elevate social presence and drive business growth from social media
Identify and prioritize high-intent leads, and improve sales effectiveness
Find and connect with ICP attendees, and improve event outcomes
Andrew Bialecki is the CEO of Klaviyo, a company focused on building software to empower individuals to express themselves at internet scale, independently of walled gardens. He is passionate about learning, dreaming big, and whiteboarding. With a background in engineering and a focus on data science, he is leading Klaviyo in shaping the future of how businesses grow and communicate with their customers.
Andrew Bialecki's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:
Led Klaviyo as CEO since February 2012, driving the company's vision and growth in the marketing automation and customer data platform space.
Building software to let anyone be themselves at internet scale and do it independent of walled gardens.
Served as CTO at RockTech prior to Klaviyo, gaining experience in technology leadership.
Harvard University - Year 2003
Highperformr Signals uncover buying intent and give you clear insights to target the right people at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
Klaviyo is a unified marketing platform that gives online brands direct ownership of their consumer data and interactions, empowering them to turn transactions with customers into long-term relationships—at scale.
Get verified emails, phone numbers, and LinkedIn profile details
Discover contacts with similar roles, seniority, or companies
Uncover insights like skills, work history, social links, and more
Explore contacts in-depth — from verified emails and phone numbers to LinkedIn activity, job changes, and more — all in one powerful view.
Highperformr AI helps you surface the right people and enrich your CRM with live, accurate contact insights so your teams can connect faster and close smarter.
Thousands of contacts — including decision-makers, influencers, and ICP matches — are just a search away.
Thousands of companies, including, are just a search away.