Complex sentence: In 1987, Len Denton, working for Don Owen, became the first booker for PNW, while still developing who would become stars of the future such as Art Barr, Raven, C.W. Bergstrom, Steve Dunn, and Timothy Well.
Split into simpler sentences: In 1987, Len Denton, working for Don Owen, was the first booking duties for the PNW. While still developing what would become stars of the future such as Art Barr, Raven, C.W. Bergstrom, Steve Dunn, and Timothy Well.