Peter Lewis Kingston Wentz III (born June 5, 1979) is an American musician, singer, songwriter, A&R consultant, and record executive.
He is best known as the bassist for the American rock band Fall Out Boy, since 2001.
Before Fall Out Boy, Wentz was a fixture of the Chicago hardcore scene and was the lead singer and songwriter for Arma Angelus, a metalcore band.
During Fall Out Boy's hiatus from 2009 to 2012, Wentz formed the experimental, electropop and dubstep group Black Cards.
He owns a record label, DCD2 Records, which has signed bands including Panic! at the Disco and Gym Class Heroes.
Fall Out Boy returned from hiatus in February 2013, and have since released 3 number-one albums; Save Rock and Roll, American Beauty/American Psycho, and Mania.Wentz has also ventured into other non-musical projects, including writing, acting, and fashion; in 2005 he founded a clothing company called Clandestine Industries.
He also hosts the TV show Best Ink and runs a film production company called Bartskull Films, as well as a bar called Angels & Kings.
His philanthropic activities include collaborations with Invisible Children, Inc.
and UNICEF's Tap Project, a fundraising project that helps bring clean drinking water to people worldwide, People magazine states that "no bassist has upstaged a frontman as well as Pete Wentz of Fall Out Boy." He is also a minority owner of the Phoenix Rising FC, a USL Championship team.