Sentence 1: From 1993 to 2001 , Huntsman served as an executive for the Huntsman Corporation , chairman of the Huntsman Cancer Foundation , and CEO of Huntsman Family Holdings Company .
Sentence 2: From 1993 to 2001 , Huntsman worked as an executive for Huntsman Corporation , Chairman of the Huntsman Family Holdings Company and CEO of the Huntsman Cancer Foundation .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?