AppNexus is a technology company that provides trading solutions and powers marketplaces for Internet advertising. Our open, unified, and powerful programmatic platform empowers customers to more effectively buy and sell media, allowing them to innovate, differentiate, and transform their businesses. As the world's largest independent ad tech company, AppNexus is led by the pioneers of the web's original ad exchanges. Headquartered in New York City with ten global offices, we employ hundreds of the brightest minds in advertising and technology who believe that advertising powers the Internet.
New York, US
1,078 (est)

Key People at AppNexus

Andy Atherton

Andy Atherton

SVP, Discovery
Jonathan Hsu

Jonathan Hsu

Michael Rubenstein

Michael Rubenstein

Brian O'Kelley

Brian O'Kelley

CEO & Co-Founder
Igor Shindel

Igor Shindel

Brandon Atkinson

Brandon Atkinson


AppNexus Locations

New York, US
San Francisco, US
Portland, US
Seattle, US
Toronto, CA
Paris, FR
Hamburg, DE
Sydney, AU
London, GB
Singapore, SG
São Paulo, BR
Madrid, ES
München, DE
Quimper, FR
Ecublens, CH
Miami Beach, US
Conshohocken, US
Baltimore, US
Louisville, US
Los Angeles, US

AppNexus Metrics

AppNexus Summary

Founding Date


Total Funding

$288 M

Latest funding size

$62.7 M

Time since last funding

over 1 year


AppNexus Online Presence

AppNexus News

AppNexus Company Life