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Klaviyo

Klaviyo™ is a unified customer 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. With Klaviyo, brands can combine unlimited customer data with more than 250 native integrations to automate personalized email and SMS communications that make customers feel seen. Klaviyo makes it easy—no need to start from scratch, piece together multiple platforms, or rely on third-party marketplaces and ad networks. From mom-and-pop shops to established companies, innovative brands like Unilever, Taylor Made, Citizen Watches, and more than 90K other paying users leverage Klaviyo to acquire, engage, and retain customers—and grow on their own terms. See our social media community guidelines: www.klaviyo.com/legal/social-terms #Klaviyo

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Marketing Services 2,941 Employees Found London, United Kingdom Founded 2012 10 Similar Companies
2,941 Employees Found
90% Email Coverage
$500.0M Est Revenue
+13% YoY Headcount Growth
7 Office HQ
10 Similar Companies
Sep '26 Last Verified

Klaviyo – Company Information

Marketing Services
Founded 2012
1,001-5,000 employees View all
125 Summer St, Boston, Massachusetts, 02110, US
Analytics Ecommerce Email Marketing Data Science Analytics‎ eCommerce DATA science Email Marketing​
React Shopify Klaviyo WordPress Docker Kubernetes Next.js Zendesk Salesforce Segment
Jul 2026
Klaviyo Appoints Erica Smith as Chief Financial Officer

Klaviyo announced the appointment of Erica Smith as Chief Financial Officer, effective in September 2026.

Jun 2026
Klaviyo Launches AI Agents that Work Together to Drive Revenue for Consumer Brands

Klaviyo introduced a new suite of collaborative AI agents designed to automate revenue-driving tasks for consumer brands.

Jun 2026
Klaviyo Fights On: Company Deals With California Class Action Suit

Klaviyo is currently addressing a California class action lawsuit regarding real-time consumer browsing data collection.

Feb 2026
Klaviyo Delivers Outstanding 2025 Results: 32% Revenue Growth

Klaviyo reported strong full-year 2025 financial results with a 32% increase in revenue.

Find Klaviyo contacts

Decision Makers by Function

Justin Hiatt

Justin Hiatt

VP

Global Vice President, Business Development • Champion • 2 years

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Sam Moorhead

Sam Moorhead

Director

Director of Customer Growth • Influencer • 2 years

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James White

Director

Senior Director, Partnerships • Influencer • 1 year

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Ilarie Letca

Ilarie Letca

VP

VP Engineering - Infrastructure & Agentic Platform • Champion • 8 months

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Christian Joergensen

Christian Joergensen

Director

Lead Software Engineer • Influencer • 5 months

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Mousom Dhar Gupta

Mousom Dhar Gupta

Head

Engineering Leader • Champion • 1 year

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Jamie Domenici

Jamie Domenici

CXO

CMO • Economic Buyer • 3 years

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Joan Morales

Joan Morales

Head

Americas Field & Global Partner Marketing, VP • Champion • 2 years

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Robin Marchant

Robin Marchant

Director

Senior Marketing Director, EMEA • Influencer • 1 year

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Mike Oren

Mike Oren

Head

Head of Product Research • Champion • 1 year

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Grant Deken

Grant Deken

Director

Director of Product Management • Influencer • 1 year

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Henry Wu

Henry Wu

Director

Director of Product Design | Enterprise • Influencer • 1 year

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Frequently asked questions about Klaviyo

What is Klaviyo email format?

The widely used Klaviyo email format is {first}.{last} (e.g. john.smith@klaviyo.com) with 86.67% adoption across the company.

What is Klaviyo customer service number?

To contact Klaviyo customer service number in your country click here to find.

Who is the CEO of Klaviyo?

Andrew Bialecki is the CEO of Klaviyo.

Who are the decision makers in Klaviyo?

The decision makers in Klaviyo are Chano Fernandez, Steve Rowland, Jennifer Ceran, etc. Click to Find Klaviyo decision makers emails.