Stacy Chang is a Consultant 1 at Efficio, with a background in materials engineering and research spanning several notable companies. Prior experience includes serving as a Materials Engineer at ExxonMobil, where Stacy evaluated corrosion concerns and applied ASME codes and standards to technical decisions, as well as a Polymers Research Intern at Technion - Israel Institute of Technology, focusing on the mechanical properties of novel polymers. Additionally, experience includes roles at Procter & Gamble as a Research and Development Engineering Intern, investigating polyvinyl alcohol film properties, and as a Research Assistant at Carnegie Mellon University, assessing protein effectiveness in enhancing cell adhesion. Stacy holds a Bachelor's degree in Materials Science and Engineering and Engineering and Public Policy from Carnegie Mellon University.