Complex sentence: John Alan Lasseter (born January 12,1957) is an American animator, film director, screenwriter and producer, who is the chief creative officer of Pixar Animation Studios, Walt Disney Animation Studios, and DisneyToon Studios.
Split into simpler sentences: John Alan Lasseter (born January 12,1957) is an American animator, film director, screenwriter, and film producer. He currently is the chief creative officer of Pixar Animation Studios, Walt Disney Animation Studios, and DisneyToon Studios.