As Senior Director, David Nelson manages CPI’s research across all of the global offices. Before joining CPI, David worked as an investor and strategic advisor to energy and utilities companies and their regulators in Europe, Asia, North America, South America and Australia for more than 20 years. Most recently, David was senior vice president and global sector leader for Energy, Utilities, and Commodities at AllianceBernstein, where he managed research for the Bernstein Value portfolio and the commodity hedge fund. He also led the Global Energy research team and was the analyst covering global utilities (ex-North America). Prior to working at Bernstein, David was a strategy consultant at the Boston Consulting Group, and before that at Arthur D. Little. He started his consulting career at the economics consultancy Putnam, Hayes and Bartlett. Throughout his consulting career he focused on strategy, financing, and regulation for the energy and utilities industries. David has degrees in engineering from the University of California at Berkeley and an MBA from Wharton.