Sam Meacham is the founder and Director of El Centro Investigador del Sistema Acuífero in Quintana Roo, México (www.cindaq.org).  An experienced cave diver, he remains committed to understanding the complex dynamics of the Yucatán Peninsula's karst aquifer, as well as the people affected by it. He has extensive experience coordinating cave diving expeditions in the region, the most significant of which is the ongoing exploration of Sistema Ox Bel Ha and the adjacent Sian Ka’an Biosphere Reserve. Sam earned a Master’s Degree in Science in Natural Resources in 2012 from the University of New Hampshire. He has been a Fellow of the Explorers Club of New York since 2000, was a 2009 NASA Space Grant Fellow, and has earned the Award in Maritime Archaeology from the Nautical Archaeology Society. Sam has appeared in documentary films for CNN International, The Discovery Channel, PBS, NHK, The National Geographic Society, the BBC’s Natural History Unit, including 'Planet Earth 1' and 'Planet Earth3', and NBC/Peacock Series 'The Americas'.