Designer is a vague term which usually implies the task of creating or of being creative in a particular area of expertise. Often times it is used to reference someone who draws or in some ways uses visual cues to organize their work.
... Jerry Garcia, Ron Pigpen McKernan and Bob Weir[?] from the Jug Champions joined by Bill Kreutzmann[?] and Phil Lesh, and in 1967 - the band's breakthrough year - another ...