At a certain spend level, advertisers want to have a single human that they can call when they need something/something goes wrong ("a single throat to strangle

At a certain spend level, advertisers want to have a single human that they can call when they need something/something goes wrong ("a single throat to strangle"). Providing this dedicated connection is also an opportunity to upsell them on more ad products. I did this work at Google for a couple years at the start of my career. They are an exceptionally analytics driven company, and would not employ these kinds of people if there wasn't good ROI