Possibly McKinsey & Company, the management consulting firm [0]. Read that article to see some companies its consultants ruined by recommending the wrong busin

Possibly McKinsey & Company, the management consulting firm [0]. Read that article to see some companies its consultants ruined by recommending the wrong business strategy. Also, from that link: McKinsey's alumni have been appointed as CEOs or high-level executives at Google, American Express, Facebook, Boeing, IBM, Westinghouse Electric, Sears, AT&T, PepsiCo, and Enron. [0] https://en.wikipedia.org/wiki/McKinsey_%26_Company https://en.wikipedia.org/wiki/McKinsey_%26_Company