We are a community of

Organizers, Makers, Storytellers & Facilitators

Building the infrastructure for a world of creators.

About NationBuilder


NationBuilder is the world's first operating system for community. It combines your people database, website, and communication tools like email, text messaging, and social media all into one accessible and affordable software platform. Whether you’re an author, activist, small business owner, or politician, we provide the tools to build a community around whatever it is you were meant to do.

NationBuilder was founded in November of 2009 by CEO Jim Gilliam and launched in April of 2011. The company is located primarily in downtown Los Angeles, with field offices in Oakland, Toronto, Vancouver and Washington DC.

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Leadership Team


Jim Gilliam

Jim Gilliam

Founder and CEO
Lea Endres

Lea Endres

Chief of Staff
Dan Walmsley

Dan Walmsley

Chief Technology Officer
Hilary Doe

Hilary Doe

Vice President of Organizing, Nonprofits & Universities
Jesse Haff

Jesse Haff

Co-Founder and
Vice President of Design
Adriel

Adriel Hampton

Vice President of
Business Development
Michael Moshella

Michael Moschella

Vice President