Mike Holder is a multi-talented individual who has worked in many different fields. He is an EMCEE, which is someone who hosts events and introduces speakers. He is also a BOOM operator, which involves operating a microphone on a long pole to capture sound in film and television production. Additionally, he is a STAND-in, which is someone who stands in for an actor during rehearsals and takes their place when the camera is rolling. Finally, he is a LAPEL mic operator, which involves attaching a microphone to a person's clothing to record sound.