Re/code: Snapchat, the ephemeral communications company that has been morphing into a new kind of content platform, is poised to bring on Vevo sales head Luke Kallis as its West Coast sales head. Kallis, who calls himself a “builder of marketers’ dreams” on Twitter, has been running national sales for the music service, having worked there since 2010. Previously, he held a variety of online sales jobs at Facebook, Salon, Myspace and IGN.