The Week: People News - Four members leave Phorm

Four members of the senior management at Phorm, the controversial behavioural targeting technology company, have quit over differences of opinion with the chief executive, Kent Ertugul.

Phorm announced the departures of Virasb Vahidi, the chief operating officer, Stephen Heyer, the non-executive chairman, and David Dorman and Christopher Lawrence, non-executives, in a statement without comment from any of the men. They have been replaced by Norman Lamont, the former chancellor of the exchequer, Kip Meek, the former Ofcom chief policy partner, and the investment banker Stefan Allesch-Taylor.