Complex sentence: Portale's first sous-chef at Gotham was Tom Valenti, while other notable chefs who have worked at Gotham include Bill Telepan, Wylie Dufresne, Tom Colicchio and Christopher Lee.
Split into simpler sentences: Portale's first sous-chef at Gotham was Tom Valenti. Notable chefs who have worked at Gotham include Bill Telepan, Wylie Dufresne, Tom Colicchio and Christopher Lee.