We sit down with Luxottica's Ryan McGuire, Contact Management owner of iconic retail brands like Sunglass Hut and Lenscrafters, to hear how Luxottica is reshaping their email marketing strategies by brand, using advertising to grow each brand's email reach, finding new email subscribers that look like their best ones at scale, and re-engaging inactive users on channels like Facebook. Every email marketer will walk away with new ideas to think about omni-channel marketing done right.