What is the relationship between 'Waymo' and 'John Krafcik' in the context of the input sentence.
Options: position held, chief executive officer, creator, location of formation

But, what I would tell you is that the view of the future and the potential from John Krafcik and his Waymo team is very similar to mine, particularly in the field that we are going to concentrate on and announced our partnership which is commercial vehicles.
chief executive officer