GAYLE LAAKMANN MCDOWELL spent three years at Google Engineering, where she was a member of the recruiting committee and interviewed more than 120 individuals. She interned at Microsoft and Apple, and she interviewed with ten tech companies and received offers from all of them. She has an MBA from the University of Pennsylvania's Wharton School and is the creator and CEO of CareerCup.com, a website dedicated to tech careers. Cracking the Coding Interview is her first book.