Dr. Chávez is a Professor in the Civil and Environmental Engineering Department, an Irrigation Specialist at Colorado State University. He has teaching, research, and extension responsibilities. His expertise is in irrigation water management, crop evapotranspiration (ET) determination and modeling, the use of remote sensing for mapping ET, irrigation scheduling, irrigation systems design, irrigation systems efficiency, drainage and wetlands engineering, and precision irrigation. He teaches CIVE 512 Irrigation Systems Design, CIVE 519 Irrigation Water Management, and CIVE 549 Drainage and Wetlands Engineering. He is a member of the American Society of Civil Engineers (ASCE) and of the American Society of Agricultural and Biological Engineers (ASABE).