Mark Spencer, a San Francisco-based film and video editor and producer, has been editing with Final Cut Pro since its introduction in 1999. He owns Day Street Productions, a production and post studio focused on corporate video, with customers such as Trend Micro, Applied Biosystems, and YCI-TV. Mark also has experience cutting documentaries (Girl Beat), short films (Tripoli Sun) and animation (Alligator Planet). He is an Apple Certified instructor in Final Cut Pro, DVD Studio Pro, and Motion, and the author of Motion Visual Quick Start Guide. Mark holds an MBA in finance from the Wharton School of the University of Pennsylvania.