Jeffrey Gundlach is an American investor and the founder and CEO of DoubleLine Capital, a Los Angeles-based investment management firm specializing in fixed-income securities. Often referred to as the 'Bond King,' Gundlach is recognized for his influential market outlooks, particularly in the bond and macroeconomic sectors. Before founding DoubleLine in 2009, he was a key portfolio manager at TCW Group. His insights are closely followed by institutional investors and market analysts.