Ruben Cuellar, based in Hacienda Heights, California, United States, is currently a Maintenance Manager at Sierra Alloys Co., Inc., bringing experience from previous roles at Barton Brands of California, Sierra Alloys Co., Inc. and Carlton Forge Works. Ruben Cuellar holds a 2017 - 2019 Masters in Business Administration, Management @ California State Polytechnic University. With a robust skill set that includes Six Sigma, PowerPoint, Lean Manufacturing, AutoCAD, Material Selection and more, Ruben Cuellar contributes valuable insights to the industry. Ruben Cuellar has 2 emails and 1 mobile phone number on RocketReach.