ClickZ reports that email services firm Responsys staffed up its marketing department with a series of hires from its competition. The firm appointed Scott Olrich, formerly with Topica, as CMO, replacing and expanding the position opened up by marketing VP Kathy Gogan's departure some months ago. Sean Meehan, previously with Bigfoot Interactive, will take over channel marketing, helping create agency relationships. And Heather Palmer, formerly of Yesmail/infoUSA, will take over ISP relations.