Sentence 1: Heather Weaver has been the conductor of the group since 2003 and Sharon Northe has been President since 2017 .
Sentence 2: Sharon Northe has been Head of the Group since 2003 , and since 2017 Heather Weaver has been President .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?