Complex sentence: Cambridge is also represented on the higher-tier Waterloo Regional Council which consists of the Regional Chair, the Mayors of the seven cities and townships, and eight additional Councilors-four from Kitchener and two each from Cambridge and Waterloo.
Split into simpler sentences: Cambridge is also represented on the higher-tier Waterloo Regional Council. That Council consists of the Regional Chair, the Mayors of the seven cities and townships, and eight additional Councilors-four from Kitchener and two each from Cambridge and Waterloo.