AppNexus is a technology company whose cloud-based software platform enables and optimizes programmatic online advertising. Its enterprise technology platform maximizes yield and campaign performance for sellers and buyers of online inventory. AppNexus is led by the pioneers of the web's original ad exchanges.
Company Growth (employees)
New York, US
Size (employees)
1,034 (est)
AppNexus was founded in 2007 and is headquartered in New York, US

Key People/Management at AppNexus

Brian O'Kelley

Brian O'Kelley

CEO & Co-Founder
Michael Rubenstein

Michael Rubenstein

Ben John

Ben John

Chief Technology Officer
Ryan Christensen

Ryan Christensen

Chief Operating Officer
Jonathan Hsu

Jonathan Hsu

Brandon Atkinson

Brandon Atkinson

Catherine Williams

Catherine Williams

Chief Data Scientist

AppNexus Office Locations

AppNexus has offices in New York, San Francisco, Portland, Seattle and in 20 other locations
New York, US (HQ)
28 W. 23rd Street
Eugene, US
300 940 Willamette St
Mountain View, US
180 800 W El Camino Real
Los Angeles, US
300 17609 Ventura Blvd
Louisville, US
280 1172 W Century Dr
Baltimore, US
1608 Bush St
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AppNexus Financials and Metrics

Summary Metrics

Founding Date


Total Funding

$261.5 m

Latest funding size

$31 m

Time since last funding

about 1 year


AppNexus's latest funding round in September 2016 was reported to be $31 m. In total, AppNexus has raised $261.5 m. AppNexus's latest valuation is reported to be $1.2 b.

AppNexus Financials


Market valuation

1.2 b
Show all financial metrics

AppNexus Median Salaries

Source: 158 public H-1B filings from AppNexus

AppNexus's Web-traffic and Trends

AppNexus Online and Social Media Presence

AppNexus Company Life and Culture

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