There are at least 5 groups named Catalyst. 1) Catalyst was a funk/jazz quartet from Philadelphia, Pennsylvania, whose material presaged the work of later jazz fusion artists. The group encountered regional success in the 1970s and have become more widely known since the re-release of their material on CD. 2) Catalyst are an indie rock band from San Francisco, CA. Core members include Shawn Lloyd (guitars, drums), Jesse Gale (guitars, vocals, bass) and Garrick O'Connor (keyboards, guitars, vocals).