Keith began his career in the cement world in 1997 as a concrete petrographer and later transitioned to process engineering, quality control, and director roles over 5 cement manufacturing plants, working for both Holcim and Heidelberg Materials. Keith holds degrees in both geology and Spanish, and has worked throughout the United States and Latin America. His current role as Chief Manufacturing Officer for materials technology start-up Fortera, combines his knowledge of cement manufacturing with a curiosity for understanding Earth's processes and humankind's influence over them.