Complex sentence: WisPolitics Publishing, Inc., based in Madison, Wisconsin, was founded in 1999 by businessman Phil Prange and reporter Jeff Mayers, former capitol bureau chief of the "Wisconsin State Journal".
Split into simpler sentences: WisPolitics Publishing, Inc., based in Madison, Wisconsin, was founded in 1999 by Phil Prange and Jeff Mayers. Mayers was the former capitol bureau chief of the "Wisconsin State Journal".