Robert DeLeo is an American musician best known as the bassist and primary songwriter for the rock band Stone Temple Pilots. Born on February 2, 1966, in Burbank, California, he co-founded the band in 1989, which gained fame in the 1990s with hits like "Plush" and "Interstate Love Song." In addition to his work with Stone Temple Pilots, DeLeo has collaborated with various artists and bands throughout his career. He is recognized for his distinctive bass playing style and contributions to the alternative rock genre, influencing many musicians in the industry.