Andre Romelle Young (born February 18, 1965), known by his stage name Dr. Dre, is an American record producer, executive producer, rapper and entrepreneur. He is the founder and current CEO of Aftermath Entertainment and Beats Electronics. Dre was previously the co-owner of, and an artist on, Death Row Records. He has produced albums for and overseen the careers of many rappers, including The D.O.C., Snoop Dogg, Eminem, Xzibit, Knoc-turn'al, 50 Cent, The Game and Kendrick Lamar. He is credited as a key figure in the popularization of West Coast G-funk, a style of rap music characterized as synthesizer-based with slow, heavy beats. In 2014, Dr. Dre was ranked as the second richest figure in the American hip hop scene by Forbes with a net worth of $550 million; he is at the top of the 2015 Forbes list, with an estimated pre-tax take of $620 million in 2014.