https://www.theguardian.com/uk-news/live/2018/jun/06/alexander-nix-cambridge-analytica-chief-commons-committee-live

Former CEO of Cambridge Analytica, at centre of Facebook data-mining scandal, appears before Commons fake news inquiry

Nix is asked about whistleblower Chris Wylie, and his involvement in linking Cambridge Analytica to AIQ. Nix responds by pulling Wylie further in, noting that he was heavily involved in everything the company was doing to data at that point.