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Klaviyo's Overview

Total employees2726
HeadquartersBoston
Founded2012

Klaviyo is a technology company that provides a powerful marketing automation platform, primarily tailored for e-commerce businesses and online brands. Its software enables users to unify customer data from various sources, segment audiences with precision, and automate personalized marketing communications across email, SMS, mobile push, and in-app notifications. Klaviyo empowers businesses to build stronger, more valuable customer relationships and drive sustainable growth by delivering data-driven, targeted, and timely experiences.

Where is Klaviyo's Headquarters?

HQ Function

The Boston headquarters serves as the central command for Klaviyo's worldwide operations. It houses key departments including executive leadership, product development, engineering, core marketing, sales strategy, and corporate functions.

Notable Features:

Situated in a modern office building in Boston's Financial District, the headquarters is designed with open layouts and collaborative spaces to foster innovation. It likely includes amenities typical of leading tech companies, focused on employee well-being and productivity.

Work Culture:

Klaviyo cultivates a work culture centered on customer success, ownership, collaboration, and continuous learning and iteration. The HQ environment is dynamic and inclusive, encouraging employees to be curious, solve challenging problems, and contribute directly to the company's mission and growth.

HQ Significance:

The Boston headquarters is vital as it anchors Klaviyo in a leading U.S. tech hub, providing access to a rich talent pool, investment opportunities, and a strong network of partners and industry peers. It's where the company's foundational technology was developed and where its global strategy is shaped.

Values Reflected in HQ: The headquarters' design and atmosphere likely mirror Klaviyo's core values, such as transparency, empowering others, remarkable experiences, and a strong bias for action, creating an environment where innovation thrives.

Location:

Klaviyo maintains a significant global presence to support its diverse, worldwide customer base, which spans over 80 countries. Beyond its main offices in Boston, London, and Sydney, the company leverages remote talent across various countries. Key functions supported globally include 24/7 customer support, regional sales and marketing, partner ecosystem development, and localized product considerations to ensure businesses everywhere can effectively use Klaviyo to grow.

Street Address:

125 Summer St, Floor 6

City:

Boston

State/Province:

MA

Country:

USA

Klaviyo's Global Presence

London, United Kingdom

Address: The Fulwood, Lower Ground Floor, 40 Fulwood Place, London, WC1V 6HR, UK

To expand Klaviyo's market share in EMEA, provide localized support and services to regional customers, and adapt the platform's offerings to meet specific European market demands and regulatory requirements.

Sydney, Australia

Address: Level 3, 100 Market Street, Sydney NSW 2000, Australia

To cater to the rapidly growing e-commerce sector in the APAC region, offering localized expertise, support, and platform solutions to help businesses in the area effectively utilize Klaviyo for customer engagement and growth.

Buying Intent Signals for Klaviyo

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of Klaviyo

As of April 2025, Klaviyo' leadership includes:

Andrew Bialecki - Co-founder, Chief Executive Officer & Chairman of the Board
Ed Hallen - Co-founder & Chief Product Officer
Landon Welling - Chief Financial Officer
Steve Wietrecki - Chief Revenue Officer
Carmela Abraham - Chief People Officer
Allen Chaves - Chief Legal Officer and Corporate Secretary

Investors of Klaviyo

Klaviyo has been backed by several prominent investors over the years, including:

Summit Partners
Accel
Shopify
Astral Capital
SaaS Ventures
Accomplice
Whale Rock Capital Management
Counterpoint Global (Morgan Stanley)
Sands Capital
Geodesic Capital
Owl Rock (a division of Blue Owl)

Executive New Hires/Exits in the Last 12 Months

Hire2
Exits1

In the past 12 months (approx. May 2023 - May 2024), Klaviyo significantly strengthened its executive team, particularly with key C-suite appointments in finance and people operations. This period saw the appointment of a new CFO, Landon Welling, and a new Chief People Officer, Carmela Abraham. This also included the transition of the previous CFO, Amanda Wagner.

Departures

Amanda Wagner, Amanda Wagner transitioned from her role as Chief Financial Officer.

New Appointments:

Landon Welling, Landon Welling appointed as new CFO to lead Klaviyo's financial strategy.
Carmela Abraham, Carmela Abraham appointed as new CPO to oversee Klaviyo's global people operations.

Technology (Tech Stack) used by Klaviyo

Discover the tools Klaviyo uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Klaviyo Email Formats and Examples

Klaviyo commonly utilizes the [first_initial][last]@klaviyo.com email format for its employees (e.g., jsmith@klaviyo.com). Another possible format, though less common, might be [first].[last]@klaviyo.com. For outreach, verifying the specific contact's email through professional networking platforms or direct inquiry is always recommended.

[first_initial][last]@klaviyo.com

Format

abialecki@klaviyo.com

Example

85%

Success rate

News and media

investors.klaviyo.comMay 7, 2024

Klaviyo Reports First Quarter 2024 Financial Results, Beats Revenue Expectations

Klaviyo announced its Q1 2024 financial results, reporting total revenue of $210.0 million, an increase of 35% year-over-year. The company highlighted strong customer growth, ending the quarter with 146,607 customers, and continued platform innovation....more

investors.klaviyo.comFebruary 21, 2024

Klaviyo Reports Fourth Quarter and Full Year 2023 Financial Results

Klaviyo announced its Q4 and full-year 2023 results, showcasing continued revenue growth. For Q4, revenue was $201.7 million, up 39% year-over-year. Full year 2023 revenue was $698.1 million, up 48% year-over-year....more

CNBCSeptember 20, 2023

Klaviyo shares pop 23% in NYSE debut after pricing IPO at $30

Klaviyo (KVYO), the marketing and data automation provider, saw its shares surge in their New York Stock Exchange debut, opening at $36.75 after pricing its Initial Public Offering at $30 per share. The offering valued the company at over $9 billion at the time of listing....more

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