Our story
Great Expectations was created in 2017 as a side project between two longtime friends, Abe Gong (CEO) and James Campbell (CTO). Encountering many of the same pain points around data quality, they independently arrived at the same conclusion: data practitioners needed a better way to test and document their data.
At the time, Abe was leading Superconductive Health, a healthcare data consultancy, and James was a data scientist and researcher for the US federal government. They jumped at the chance to work together and started collaborating on Great Expectations as an open source project.
The platform was launched at the Strata Data & AI Conference in 2018, which kicked off a groundswell of support, buzz, and contributions. Data engineers, scientists, and analysts loved the flexibility, extensibility, and expressiveness of the platform. Nontechnical data stakeholders loved the way the data documentation enabled visibility and collaboration.
Within a few months, it was clear that momentum was building around data quality and that Great Expectations was at the forefront of the movement. In 2019, Abe and James pivoted to focus entirely on building Great Expectations as a product and a company.
We raised a first round of venture capital and began actively building the open source community around Great Expectations—which became one of the fastest-growing data communities in the world.
Today, the Great Expectations team is growing rapidly, backed by some of the best open source and data infrastructure investors in the industry. We’re pursuing a product-led, developer-first path to commercialization and building a SaaS product that augments the GX open source framework to provide a holistic organizational solution for data quality.
We’re a people-first team, prioritizing individual professional development and providing unique career opportunities as the company scales.
Does this seem like a fit for you? Join the team!


$21 Million
Series A
May 2021
Index Ventures with CRV & Root Ventures

$40 million
Series B
February 2022
Tiger Global with Index Ventures,
CRV & Root Ventures
Our team philosophy
We strive to live our company values every day. We believe that action, intention, and curiosity are key to excellence. We take ownership of our work, prioritize transparency, and welcome collaboration both planned and serendipitous. And we connect with each other as full human beings, defaulting to kindness and compassion while recognizing that each of us has more to offer than just our hard skills.
Engage the whole human
Connection underlies our commitment to community, development, and support. We invest consciously in individual growth and
continuous improvement.
Dedicated team for People Operations
30/60/90 day framework and formal performance reviews include
360° feedbackRegular team offsites (virtual + IRL opportunities), including our beloved company book swap

Work out loud
Transparency is key for our people and our product. We work in the open, collaborate regularly, seek feedback early and often, and embrace problem-solving together.
Shared calendars enable spontaneous collaboration
Shared individual availability and communication preferences support personal boundaries
Open team Slack channels promote transparency across the company

Progress over perfection
Curiosity drives our default to action. We aim to solve for the root cause, even when that means embracing ambiguity.
Adaptive 6-week agile cycles and 6-month roadmaps
Internal and external hackathon challenges
Weekly Show & Tell to share wins and knowledge across teams

Our team

Abe Gong, PHD
CEO

Alex Sherstinsky
STAFF DATA PRODUCTS & MACHINE LEARNING ENGINEER

Alina Weinstein
GO-TO-MARKET LEAD

Allen Sallinger
SOFTWARE ENGINEER

Allen Yee
UX DESIGNER

Amanda Bradshaw
DIRECTOR, PEOPLE OPERATIONS

André Bearfield
DIRECTOR, PRODUCT MANAGEMENT

Anthony Burdi
SENIOR SOFTWARE ENGINEER

Austin Robinson
DEVELOPER ADVOCATE

Bill Dirks
SENIOR SOFTWARE ENGINEER

Chetan Kini
SOFTWARE ENGINEER

David Mann
SENIOR PROJECT SPECIALIST, OFFICE OF THE CEO

David Talbot
SOFTWARE ENGINEER

Don Heppner
DIRECTOR, ENGINEERING

Drew Hoover
SENIOR SOFTWARE ENGINEER

Elena Jdanova
SOFTWARE ENGINEER

Elizabeth Immen
COO

Erica Howard
MARKETING PROJECT MANAGER

Erik Hencier
SENIOR PRODUCT MANAGER

Erin Kapp
TECHNICAL MARKETING WRITER

Gabriel Gore
SOFTWARE ENGINEER

Gregory Cardaci
PEOPLE OPERATIONS GENERALIST

Haebichan Jung
SENIOR DEVELOPER ADVOCATE

Hernan Alvarez
VICE PRESIDENT, PRODUCT

James Campbell
CTO

Javed Shaik
SOFTWARE ENGINEER

Jenny Terlinden
SOFTWARE ENGINEER

José Tobar
SOFTWARE ENGINEER

Josh Stauffer
SOFTWARE ENGINEER

Josh Zheng
DIRECTOR, DEVELOPER RELATIONS

Katrina Masiak
SENIOR PROJECT SPECIALIST, OFFICE OF THE CTO

Ken Wade
SENIOR DEVELOPER ADVOCATE

Kim Mathieu
SOFTWARE ENGINEER

Kyle Eaton
GROWTH LEAD

Lawrence Bruhmuller
VICE PRESIDENT, ENGINEERING

Lily Rafaeli
SENIOR SOFTWARE ENGINEER

Łukasz Lempart
SENIOR SOFTWARE ENGINEER

Matthew Lundgren
PRODUCT SPECIALIST

Nathan Farmer
SOFTWARE ENGINEER

Nic Grayson
SENIOR SOFTWARE ENGINEER

Nick Frazier
FINANCE LEAD

Rachel Reverie
TECHNICAL WRITER

Rob Gray
SENIOR TECHNICAL WRITER

Rob Lim
SOFTWARE ENGINEER

Robby Reinold
SOFTWARE ENGINEER

Ryan Sorensen
DIRECTOR, ENGINEERING

Susan Jensen
ANALYTICS ENGINEER

Suzie Antal
SENIOR PRODUCT MANAGER

Tal Gluck
PRODUCT MANAGER

Tanner Beam
ANALYTICS ENGINEER

TJ Holsman
SENIOR DEVELOPER ADVOCATE

Trang Nguyen
SENIOR UX DESIGNER

Tyana Pierce-Mallory
SENIOR RECRUITING COORDINATOR

Tyler Hoffman
SENIOR SOFTWARE ENGINEER

William Shin, PhD
SOFTWARE ENGINEER


