Mr. Contractor is a licensed Professional Engineer and Six-Sigma green belt with 14 years of experience in research, design, and prototyping. He is the co-inventor of 3D Food Printer for NASA’s long duration space missions. His specialties include 3D printing (FDM, SLA, and spray), prototyping, 3D design, computational fluid dynamics, thermal and fluid sciences, and program management. 

Mr. Contractor has prototyped numerous parts for various programs using FDM and SLA techniques, and has designed and modeled highly efficient JP-8 fuel burners, fuel cell membranes, advance evaporators, catalytic converters, and condensation apparatuses among others.