This story is available exclusively to Insider subscribers. Become an Insider and start reading now. PayPal COO Bill Ready came aboard to help lead Google's e-commerce push, while former Obama health official Karen DeSalvo is working on Google's healthcare play. David Drummond, the company's chief legal officer, departed following an investigation into claims he had relationships with subordinates at the company, while Google Cloud's former CFO Steffan Tomlinson left for the $4.5 billion startup Confluent. Read below for Google's biggest hires and departures of the past year. At the end of last year, when Google cofounders Larry Page and Sergey Brin announced they would step away from parent Alphabet and give Sundar Pichai full control of the empire, it was a hint that some big changes might be ahead.