Jon Martin is a member of the KWI Board of Directors. He holds a PhD from Scripps Institution of Oceanography (UCSD). His research interests involve surface water – groundwater interactions and groundwater chemistry, primarily in carbonate aquifers, and diagenetic reactions in near-shore and deep-ocean sediments. Jon is a Fellow of the Geological Society of America. He has published numerous papers, and has co-edited publications for KWI and co-organized several KWI conferences, including in Florida (Karst Frontiers: Florida and Related Environments, 2002) and Texas (Future Directions of Karst Research, 2008). Jon is Professor of Geological Sciences at the University of Florida.