Olesya Rulin has inked with Medavoy Management. Best known for her role in the “High School Musical” pics, she can be seen next in “Queen Freak.” She is also repped by Kohner Agency.Esther Povitsky has signed with UTA. Povitsky is best known for writing the podcast, “Weird Adults With Little Esther.” She was also recently seen in Fox’s “New Girl.” Electronic music agent Maria May has joined CAA. May comes to CAA from International Talent Booking. Her list of clients includes David Guetta and David Morales. ICM Partners has signed Susannah Fielding . She is currently starring in the U.K. production “School for Scandal.” She is repped by Ken McReddie Associates.