Glenn manages the Amplify product and program at Twitter, including two-screen content partnerships with more than 60 brands, including ESPN, the NBA and Viacom. Prior to joining Twitter in 2011, Glenn was Head of Music Partnerships at YouTube, where he managed deals with all major and independent record labels, VEVO and other music businesses. Earlier, he was in-house copyright and privacy counsel at Google; he also served as Executive Director of Creative Commons.

Glenn earned a J.D. magna cum laude from Harvard and a B.A. summa cum laude from the University of Texas at Austin.