1. William DuVall: In 2006, William DuVall joined Alice in Chains as the new lead singer. He has been a part of the band ever since and has contributed significantly to their albums, including "Black Gives Way to Blue" (2009), "The Devil Put Dinosaurs Here" (2013), and "Rainier Fog" (2018).
2. Mike Inez: Although not a lead singer, Mike Inez, who previously played bass for the band, also contributed lead vocals on several Alice in Chains songs, particularly during live performances.