SEBASTIEN DE HALLEUX

General Partner at Graph Ventures

ActiveInvestor

Updated: Jan 22, 2026 ·

About

Sebastien de Halleux is General Partner at Graph Ventures.

Recent News & Mentions

Jan 23, 2026FundingBooz Allen Hamilton - Venture Round Sep 1, 2016FundingSaildrone Inc - Series A Oct 1, 2008FundingPlayfish - Series B Jun 1, 2008FundingPlayfish - Series A Apr 1, 2005FundingGlu Mobile - Series D Jul 1, 2004FundingGlu Mobile - Series C Apr 1, 2003FundingGlu Mobile - Series B

Experience

General PartnerCurrent

Present - Present

Henry Crown Fellow 2016

The Aspen Institute

Jan 2016 - Dec 2019

Jan 2015 - Dec 2020

Jan 2012 - Dec 2016

United World College - USA

Jan 2011 - Dec 2017

VP Bus Development & Strategic Partnerships, EAi

Jan 2009 - Dec 2011

Chief Operating Officer & Co-Founder

Jan 2007 - Dec 2009

Strategy and Business Development

Jan 2007 - Dec 2007

Strategy & Operations

Jan 2001 - Dec 2007

Booz Allen Hamilton

Jan 1999 - Dec 2001

Frequently Asked Questions

Who is Sebastien de Halleux?

Sebastien de Halleux is General Partner at Graph Ventures, based in San Francisco, California.