member of
- American Society for Testing and Materials (ASTM) Member 2000 -
- American Concrete Institute (ACI) Member 1998 -
- American Society of Civil Engineers (ASCE) Member 1994 -
- Puerto Rico College of Engineers and Surveyors (CIAPR) Member
- Transportation Research Board (TRB) Member 2005 - 2006
- Society for the Advancement of Material and Process Engineering (SAMPE) Member 2004 - 2006
- Society of Experimental Measurments (SEM) Member 1999 - 2002