In this interview, Ally MacDonald talks to Guillermo Esteves about how companies can make the shift to being "performance-first" at both a technical and organizational level.

Guillermo Esteves is an Engineering Director in Vox Media’s Ad Platforms team, where he works to make ads better, faster, and more profitable. During his five years at Vox he has also led the Performance Team and helped build Chorus for Advertisers, Vox Media’s branded content creation platform; The Verge 2.0, a large-scale responsive refactor of the site; and The Verge Video, a responsive hub for The Verge’s video content.