Dr. Halihan is a Professor and the Sun Chair of Hydrogeology at Oklahoma State University, and Chief Technical Officer for Aestus, LLC.

 

Dr. Halihan’s professional interests center in subsurface characterization and sustainable water supply. He has worked on over 200 different research and commercial sites in over 30 U.S. states and overseas in Australia, Brazil, Iraq and Mexico, along with a number of other countries. He has also spent a significant amount of time in his home state of Oklahoma evaluating the Arbuckle Group of carbonates and associated springs.

 

Dr. Halihan is the recipient of the Karin and Robert J. Sternberg Award for Excellence and the Partners in Conservation Award from the U.S. Department of Interior. He was the National Ground Water Association’s 2018 McEllhiney Lecturer. He is also a professional driller in the state of Oklahoma and a PADI divemaster.