It could be that the best person for a tough job is the one who thinks she isn't. That's what people like Google CEO Eric Schmidt and YouTube CEO Susan Wojcicki thought when they prodded their founding EMEA marketing head, Lorraine Twohill, to be a big fish in a big pond: Cross the pond to become Chief Marketing Officer.

More than two decades later, the matter is settled. 

It wasn't the first time Twohill wasn't entirely sure about a Google gig. The first time she didn't even know what the job was until she got through 22 interviews. "A lot of people at the time thought I was nuts," she said, "What is this Google thing? It was a small company at the time, but, of course that was a really exciting time to join."

It got a lot more interesting, of course.

Listen in on this edition of This is Working to see how one of the longest-lasting senior women executives in Big Tech thinks about EQ, IQs what AI can and can't do.