Hector Machado is a Chemical Engineer with seven years of experience in air quality assessment and air dispersion modelling. He is a Certified Air Quality Professional (CAQP) by the Clean Air Society of Australia and New Zealand (CASANZ) with extensive experience in air dispersion and meteorological modelling using CALPUFF, GRAL, AERMOD, WRF, and TAPM. His work has supported environmental permits and development approvals for industrial, commercial, and infrastructure projects in Australia, as well as air permitting and modelling projects in the United States.