Steven Maxwell Porcaro is an American keyboardist, singer and songwriter known as one of the founding members of the rock band Toto and the last surviving Porcaro brother (after the deaths of Jeff and Mike in 1992 and 2015, respectively). Porcaro has also done session musician work for many other acts, including Yes (on Union and Open Your Eyes) and Jefferson Airplane (on their self-titled 1989 reunion album). He was also a member of Chris Squire's short-lived band, The Chris Squire Experiment, in 1992.
