The Brief Mayor Cherelle L. Parker announced Carlton Williams as Philadelphia’s new managing director on Tuesday, July 28. Mayor Cherelle L. Parker announced on Tuesday, July 28, that Carlton Williams has been appointed as the new managing director for the City of Philadelphia, succeeding Adam Thiel. Carlton Williams named as new managing directorParker announced that after consulting with her chief advisors, she selected Carlton Williams, who has led the Office of Clean and Green since its creation. "I am proud to appoint Carlton Williams to the position of managing director for the City of Philadelphia," said Parker. What we don't know:The announcement did not include details on Williams’s immediate plans or new policy initiatives as managing director.