Over 20 years experience in concrete technology and building materials. Experience for more than 18 years working in laboratories under supervision of implemented management systems, management and evaluation standards for testing of building materials, supervision of staff, Quality Assurance, Evaluation of New Materials and Technology and Research and Development. Specifications and verification studies of the construction materials used in the construction and maintenance of hydroelectric Venezuela; Guri (10,000 MW), Caruachi (2,160 MW), Macagua (2,980 MW) and Tocoma (2,160 MW).