Brooke Chaffin was supposed to carry on with Yahoo (NSDQ: YHOO) Media biz dev following Ira Kurgan’s return to Fox. Turns out Chaffin, too, has left the building — heading to Auditude as chief revenue officer. Auditude is a Palo Alto-based b2b ad platform for syndicated media management and targeting based on automated content fingerprinting. Chaffin was at Yahoo for 6-plus years, most recently heading Content and Media Partnerships. A Yahoo spokesman tells us Erin McPherson is now the business development lead for media; she was the lead for news and info prior to the recent consolidation.