William Marzella, based in Los Angeles, CA, US, is currently a Sales Engineer at tray.io, bringing experience from previous roles at tray.io and Chilton's Artisan Foods. William Marzella holds a Bachelor of Science in Mechanical Engineering @ University of Southern California. With a robust skill set that includes PowerPoint, Microsoft Word, Digital Media, Microsoft Excel, Microsoft Office and more, William Marzella contributes valuable insights to the industry. William Marzella has 1 email on RocketReach.