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HAS Advisory Board Members

Hale Barter

HAS Advisory Board Chair
HAS Advisory Board Service 2020-Current
President and Groundwater Hydrologist, Montgomery & Associates

Jeremy Dowling

HAS Advisory Board Member
HAS Advisory Board Service 2021-Current
Piteau Associates, President and Chief Hydrogeologist

Charlie Ester III

HAS Advisory Board Member
HAS Advisory Board Service 2016-Current
Salt River Project, Manager of Surface Water Resources Operation

David Flittner

HAS Advisory Board Member
HAS Advisory Board Service 2026-Current
NASA Langley Research Center, Project Scientist, Stratospheric Aerosols and Gas Experiment (SAGE)

Karl Gast

HAS Advisory Board Vice Chair 2024-Current
HAS Advisory Board Service 2015-Current
Engineer, Raytheon

Amber Sullins

HAS Advisory Board Member
HAS Advisory Board Vice Chair 2019-2024
HAS Advisory Board Member Service 2015-Current
Chief Meteorologist at ABC15 in Phoenix