Studio head is a term used to describe the person in charge of a studio or production company. The two crossword solutions for this term are ESS (3 letters) and TSAR (4 letters). ESS stands for Executive Supervising Supervisor, which is a high-level position in a studio or production company. TSAR stands for Television Studio Administrator and Responsible, which is a more specialized role that involves managing the day-to-day operations of a television studio.