At large companies like MS, Google, or FB you can roughly divide security into "infosec" and physical security. The latter org will run everything from the doo

At large companies like MS, Google, or FB you can roughly divide security into "infosec" and physical security. The latter org will run everything from the door guards and video/badge infra to executive protection services and employee investigations. I am guessing that Mr. Katz runs this org at Google.