Personnel: Koray Kavukcuoglu at Google DeepMind (CTO)

NoteThe source text is a Wikipedia article about Google DeepMind that provides extensive detail about the organization's history, products, and leadership. The 'Key people' section explicitly lists Demis Hassabis as CEO and Lila Ibrahim as COO, but makes no mention of Koray Kavukcuoglu or any CTO position. The source does not address whether Koray Kavukcuoglu holds or held a CTO role at Google DeepMind, nor does it provide information about a 2012 start date for such a position. Without any mention in the source, this claim cannot be verified or contradicted based on the provided text.