In practice, when it comes to outside investments, I don't think the artificial separation between Google Ventures (GV), Google Capital (Capital G) and Google Corporate matters that much.

FWIW, David Drummond, longtime Chief Legal Officer took a board seat after GV's $250m investment in Uber in 2013 but eventually stepped down last August [0].

[0] https://www.nytimes.com/2017/02/23/technology/google-self-dr...