Complex sentence: In August 2011, the Board of Directors hired Peter Williams as the new Executive/Artistic Director; he comes to the Opera House from Yoshi's Oakland where he was the Artistic Director from May 1999 through July 2011.
Split into simpler sentences: In August 2011, the Board of Directors hired Peter Williams as the new Executive/Artistic Director. Peter comes to the Opera House from Yoshi's Oakland where he was the Artistic Director from May 1999 through July 2011.