Google is making a number of changes to its executive team running Google Search: Liz Reid, who was leading up core search experiences, will now be the Head of Search at Google. Cheenu Venkatachary will be the new lead of Search quality and ranking. With these changes, Pandu Nayak is stepping down as lead of search quality and ranking and will become Chief Scientist of Search. In another change, Cathy Edwards is moving to the Long-term Bets team in Knowledge and Information. What Google said. A ...