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Mark Grether

SVP & General Manager, PayPal Ads at PayPal

Building PayPal's commerce media and advertising platform

OperatorNew York, New York, United States18+ years in industry

Last updated May 31, 2026 by the ATDb Editorial Team · Connections updated May 31, 2026

Bio

Mark Grether is SVP & General Manager of PayPal Ads at PayPal, where he leads the company's advertising business. He brings deep programmatic and digital advertising expertise built across leadership roles at Uber, where he served as General Manager of Uber Advertising, as well as senior positions at Xandr (AT&T) and AppNexus. Grether is recognized for his track record of building and scaling advertising platforms at major technology and data-driven companies.

Previous Roles

General Manager, Uber Advertising

Uber (2022-2023)

Senior Vice President

Xandr (AT&T) (2018-2022)

Vice President

AppNexus (2015-2018)

Expertise
Digital Video AdvertisingConnected TV (CTV) AdvertisingProgrammatic AdvertisingAdvertising Sales LeadershipFirst-Party Data StrategyAdvanced TV MeasurementBrand SafetyUpfront and NewFronts Strategy
Notable Achievements
  • Led YouTube's global advertising sales organization as it surpassed $30 billion in annual ad revenue
  • Built Uber Advertising from an early-stage internal initiative into a scaled advertising platform
  • Played a key role in Xandr's advanced TV and programmatic advertising strategy under AT&T
  • Instrumental in repositioning YouTube as a leading CTV platform competing directly with linear television for upfront ad budgets
Speaking Topics
The convergence of digital and linear TV advertisingCTV and streaming advertising strategyMeasurement and attribution in a post-cookie worldFirst-party data and audience targeting at scaleYouTube's role in the modern media mix
Connections