David Rosenblatt

Chief Executive Officer at 1stdibs

Leading 1stdibs as CEO and scaling the luxury online marketplace

OperatorNew York, New York, United States25+ years in industry

Last updated May 31, 2026 by the ATDb Editorial Team

Bio

David Rosenblatt is the Chief Executive Officer of 1stdibs, the luxury online marketplace where he has led the company since 2013. He is one of the most consequential figures in the history of digital advertising, having served as CEO of DoubleClick during the period that cemented ad serving as the backbone of the open web, culminating in a landmark acquisition in 2008 that reshaped the digital advertising landscape for decades. His career spans senior leadership roles at DoubleClick dating back to 1997, giving him deep expertise in the intersection of technology, data, and commerce.

Previous Roles

CEO

1stdibs (2013-2022)

CEO

DoubleClick (2005-2008)

President

DoubleClick (2002-2005)

Various Senior Roles

DoubleClick (1997-2002)

Expertise

Ad ServingProgrammatic AdvertisingDigital Advertising InfrastructurePublisher MonetizationM&A and Strategic TransactionsE-commerce ScalingAdTech InvestmentDisplay Advertising

Education

BA, Dartmouth College

Notable Achievements

Led DoubleClick as CEO through its $3.1 billion acquisition by Google in 2008, one of the largest AdTech deals in history
Oversaw DoubleClick's growth into the dominant ad serving platform for publishers and advertisers globally
Led 1stdibs through its Nasdaq IPO in 2021 (DIBS)
Instrumental in building the foundational infrastructure of the modern programmatic advertising ecosystem

Speaking Topics

The history and evolution of programmatic advertisingAdTech M&A and consolidationScaling technology marketplacesDigital advertising infrastructure

Board Memberships

1stdibs

Connections