Ph.D., Mineralogy Technische Universitaet Munich

Dr. Keller is a mineralogist and solid-state chemist with over forty years of experience in utilizing powder and single crystal X-ray diffraction methods for industrial applications. He has been involved in the cement and concrete industry since 1980, notably contributing to the development and commercialization of calcium sulfoaluminate cement (E.K. Rice, CTS Cement Manufacturing Company).

Email: [email protected]