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Garrett McGrath
Senior Vice President, Product Management at Magnite
McGrath is known for scaling PubMatic's publisher development and global operations over a decade, playing a central role in the company's growth and its 2020 Nasdaq IPO as a leading independent SSP.
Last updated May 30, 2026 by the ATDb Editorial Team
Bio
Garrett McGrath is Senior Vice President of Product Management at Magnite, the independent sell-side advertising platform. He previously led product at SpotX (acquired by Magnite) and held product leadership roles at PubMatic.
Previous Roles
VP, Product Management
SpotX (prior)
VP, Product Management
PubMatic (prior)
Expertise
Supply-Side Platforms (SSP)Publisher MonetizationProgrammatic AdvertisingSupply Path OptimizationHeader BiddingConnected TV (CTV) AdvertisingAd Exchange OperationsGo-to-Market Strategy
Education
- Bachelor's Degree, Business or related field
Notable Achievements
- Served as a key executive through PubMatic's Nasdaq IPO in December 2020
- Scaled PubMatic's publisher development organization to support one of the largest independent SSP footprints globally
- Elevated to President and COO, overseeing all global operations and business strategy at PubMatic
Speaking Topics
The future of the independent open webPublisher monetization strategiesSupply path optimizationProgrammatic advertising trendsCTV and omnichannel advertising
Connections