Value Investing Principles & Approach | Bill Nygren | Talks at Google: William C. Nygren, CFA: Partner, Portfolio Manager and Chief Investment Officer - U.S. Equities Bill Nygren has been a supervisor ... atOptions = { 'key' : 'a8dfc29b76f8e0e43144f40c1f6e4e79', 'format' : 'iframe', 'height' : 90, 'width' : 728, 'params' : {} }; document.write('');