Spackman studies the environmental and social impact of scientific and technological efforts to manipulate sensory experiences of smelling and tasting.

Xu's research focuses on numerical simulation of groundwater flow and solute transport, uncertainty quantification and applications of machine learning in geoscience.

Olcay Ünver is a global leader in public policy, governance, and management of water resources; water and food security; and international development. He is the 2023 recipient of IWRA’s prestigious Crystal Drop Award.