Expert Take: Measuring the Impact of Online Advertisements

Garrett Johnson

Garrett Johnson is an Assistant Professor in Marketing at Boston University Questrom School of Business. His research on Internet Marketing examines online display advertising: the medium’s effectiveness and privacy issues. His ad effectiveness research uses large-scale experiments to measure how and how much ads work. His privacy research quantifies the value of online behavioral targeting to industry and considers the impact of policy & self-regulatory approaches. Prof. Johnson works with Internet companies—including Google and Yahoo!—to answer these questions with Internet-scale data.