Greg Stemm has played an important role in the development of new advanced technologies and private sector standards for ocean mineral exploration, shipwreck archaeology and underwater resource management for over 30 years. In 1986, Mr. Stemm acquired his first research vessel and embarked on a mission to create a company dedicated to developing the world's most advanced ocean exploration capabilities while adhering to the highest scientific standards.
Greg is currently President of the International Marine Minerals Society, a non-profit organization whose members share a common interest in the study marine minerals as a resource and sound application of environmental standards to meet world demands for minerals in a sustainable manner. IMMS includes a worldwide membership of individuals from industry, government agencies, and academic institutions, whose objectives are to promote and improve the understanding of marine mineral deposits within the province of the global ocean; aid in the interchange of information among members through networking and formal symposia; encourage the prudent development of marine mineral resources, including concern for the environment; and encourage research in all aspects of marine minerals development.
IMMS is also the primary sponsor of the annual Underwater Mining Conference (UMC)—an international forum that for 47 years has been bringing together the marine mining community to exchange ideas and foster partnerships for research, exploration, and mining ventures as well as graduate student participation. He is the Chairman of the 48th annual UMC being held in Sanya, Hainan, China Sept 21 - 26, 2019.
Odyssey Marine Exploration, which Stemm co-founded and is currently Chairman, has engaged in extensive deep ocean mineral exploration projects throughout the world, ranging from shallow water to depths of 6,000 meters using the world’s most advanced technologies. The company, utilizing its 100 meter exploration vessel, has undertaken extensive expeditions to conduct environmental baseline studies and investigate mineral resources throughout the Pacific, including projects in New Zealand, Vanuatu, Fiji, Tonga, Papua New Guinea and the Solomon Islands. After extensive exploration, environmental studies and coring work the company has located and received a mining license and 43-101 resource assessment for its Oceanica phosphate deposit in the Pacific, which features measured, indicated and inferred resource of nearly 500 million tons of high quality ore, making it one of the world's most significant strategic underwater mineral resources.
Odyssey has also discovered and has explored more shipwrecks than any other company, academic group or government organization in the world. Its discoveries and deep sea archaeological excavations have resulted in recovery of nearly $750 million in valuable commodities and artifacts, in depths ranging from 100 meters to well over 4,500 meters. These projects have also resulted in hundreds of articles, scientific papers and popular publications. In addition to these significant discoveries, Mr. Stemm has directed offshore operations which have resulted in the discovery of modern airplanes for government agencies and hundreds of shipwrecks, ranging from ancient Roman and Phoenician sites to previously undiscovered U-boats and pirate ships in the deep oceans of the world.
Stemm was a panelist at the 1998 Law of the Sea Institute and was appointed for four consecutive terms to the United States delegation to the United Nations Educational, Scientific and Cultural Organization (UNESCO) expert meeting to negotiate the Convention for the Protection of Underwater Cultural Heritage at UNESCO headquarters in Paris.
He has authored and edited over 50 papers and articles on deep-ocean marine exploration and archaeological investigations, and has given hundreds of lectures on the subject to a variety of venues including UNESCO, The Explorers Club, Institute of Nautical Archaeology, Young Presidents’ Organization, World Presidents’ Organization, World Business Council, Association of Dive Contractors, The UK National Shipwreck Conference and has been a frequent enrichment lecturer for Cunard, Silver Seas, and Seabourn Cruise Lines.
Greg has been featured as an expert on deep-ocean exploration on international television and radio programs for the past thirty years. National Geographic and PBS broadcast a one hour special on the recovery of the SS Republic, and Discovery Channel profiled Mr. Stemm and his company in 2009 as they explored the English Channel in a 13 part documentary series which was broadcast worldwide. Odyssey’s recent successes have also been filmed and were featured on the Discovery Channel in the Silver Rush mini-series.
He is a Fellow of The Explorers Club, and was the founder and past-president of the Professional Shipwreck Explorers Association (ProSEA), a non-profit group that provides a forum through which private sector explorers, archaeologists and governments cooperate to promote ethical policies for dealing with shipwreck resource management.
Stemm also served as a Founding Director (1986-93) and International President (1992-93) of EO (Entrepreneurs Organization), the world's largest entrepreneur's organization with over 12,000 members in 176 chapters in 60 countries who represent over $200 Billion in sales annually. He was also a major financial contributor and assisted in the creation and development of the Florida Aquarium in Tampa Florida.