ASTM International Board of Directors

    Vice Chair


    Cesar A. Constantino, Ph.D. is director of business developmet for Separation Technologies LLC, a Titan America business,in Deerfield Beach, Florida. Separation Technologies is the leading producer of processed fly ash in the United States.

    An ASTM member since 2005, Constantino works on the committees on Cement(C01), Concrete and Concrete Aggregates(C09), and Sustainability (E60). He has also contributed to the ASTM Memorandum of Understanding program in Latin America.

    Before joining the Titan staff, Constantino worked as a researcher and a consultant both in Panama and the United States. In 2005, he joined Titan America’s Florida business as manager of technical services; he then took on the role of director of concrete technology for Titan America LLC from 2007 to 2011. He was senior director of process quality and then vice president of corporate engineering for Titan before assuming his current position.

    Constantino holds a B.S. in civil engineering,an M.S. in structural engineering, and a Ph.D. in construction materials from the University of Texas at Austin.