Skip to Content

Management

Corporate Officers

Show all
Mark D. Gordon
CEO and Chairman of the Board

Mark D. Gordon is an entrepreneur with a keen ability to build companies and lead them to realizing their true potential for success. He orchestrated Odyssey’s pivot from shipwreck exploration to subsea mineral resources by recognizing the opportunity to apply Odyssey’s core competencies in a more productive manner, selecting diverse and strategic key mineral resource targets for the Odyssey portfolio and securing the funding necessary for the company to achieve success in this new endeavor.

Mr. Gordon was appointed Chief Executive Officer of Odyssey Marine Exploration in 2014 and Chairman of the Board in 2019. Mr. Gordon also served as the company's President from 2007-2019 and on Odyssey's Board of Directors since January 2008.  He joined Odyssey in 2005 as an independent consultant before serving as Director, Business Development and Executive Vice President of Sales and Business Development, where he was responsible for the Attraction, Business Development and Retail Merchandising operations for the Company.

Prior to joining Odyssey, Mr. Gordon started, owned or managed four different entrepreneurial ventures from 1987 to 2003, including Synergy Networks which he founded in 1993 and served as CEO until September of 2003 before selling the company to the Rockefeller Group. He continued serving as President of Rockefeller Group Technology Services Mid Atlantic (RGTSMA), a member of Rockefeller Group International, until December 2004. Past work experience also includes a two-year tenure as a Management Consultant at Arthur Andersen Consulting (now Accenture).

Mr. Gordon received a B.S./Business Administration in 1982 and an MBA in Finance in 1983 from the American University. As a shipwreck diver with the National Diving Center in Washington DC, he has conducted hundreds of dives and explorations on shipwrecks and was the first person to discover and dive on the wreck of the S.S. Proteus, a ship that had been missing since the early 1900s.

Mr. Gordon is also a board member for Marine Applied Research and Exploration, a non-profit focused on working collaboratively with state and federal agencies, academic institutions, and other NGOs, deploying a robotic fleet to explore and document deep-water ecosystems in support of their conservation and management.

    John D. Longley
    President and Chief Operating Officer

    John D. Longley was appointed Chief Operating Officer in October 2014 and became President of the company in 2019.  Previously, Mr. Longley served as Senior Vice President since 2012 and Director of Business Operations since 2005 when he joined the company. With over 25 years of marketing and business strategy experience, he has been integral in growing the company’s business opportunities including its attractions, the monetization of valuable shipwreck finds and exploring new deep-ocean opportunities that utilize Odyssey’s core competencies. 

    Mr. Longley has an instrumental role in executing major marketing programs and projects at Odyssey. Following the Gairsoppa silver recovery operations that took place in 2012 and 2013, Mr. Longley led the program to monetize the 110 tons of shipwreck silver bullion, which constituted the world’s largest precious metals recovery from a shipwreck in history at the time of recovery. Odyssey’s first major shipwreck discovery was in 2003 when the company located the greatest treasure of the Civil War-era and recovered over 51,000 gold and silver coins along with 14,000 artifacts. Mr. Longley has orchestrated the development of Odyssey’s global distribution network for shipwreck coins and collectibles, which reached millions of shipwreck collectible buyers. Mr. Longley previously directed Odyssey’s traveling exhibit SHIPWRECK! which toured through 13 North American cities since 2005. 

    Prior to joining Odyssey, Mr. Longley served as Vice President of Sales and Marketing for Public Imagery from 2003 to 2005 and Director of Retail Marketing for Office Depot North American stores from 1998 to 2003. Mr. Longley graduated with a Bachelors of Science degree in Communications with a specialty in Advertising from Florida State University in 1989.

      Jay A. Nudi
      CFO, Treasurer and Principal Accounting Officer

      Jay A. Nudi is a Certified Public Accountant who brings over 35 years of financial reporting, accounting, and finance experience to the Odyssey team. 

      Mr. Nudi was appointed Chief Financial Officer in 2017 after serving as Interim Chief Financial Officer since June 2016.  He has served as Treasurer since 2010 and as Principal Accounting Officer of the Company since January 2006. Mr. Nudi joined the Company in May 2005 in the Corporate Controller capacity.

      Prior to joining the Company, he served as Controller for The Axis Group in Atlanta since 2003. From 2001 to 2003, he served as an operational and financial accounting consultant to various companies on specific value-added corporate projects. From 2000 to 2001, Mr. Nudi was Director of Financial Reporting for OneSource, Inc., a leading $1.0 billion provider of facilities management. From 1997 to 2000, he served as Corporate Controller for Acsys, Inc., a $100.0 million national recruiting firm that was publicly held until it was acquired in 2000. Mr. Nudi received a B.S. degree in Accounting from Penn State University in 1985.

        Laura L. Barton
        Chief Business Officer, Secretary and Director

        Laura L. Barton leads strategic and business operations initiatives at Odyssey, working closely with the company’s CEO. A communicator at heart, she directs and manages efforts to ensure the proper internal business services are in place to support the execution of Odyssey’s mineral resource project development and portfolio building plans. Ms. Barton bridges all Odyssey departments to facilitate alignment and progress toward the company’s strategic goals including increasing the company’s subsea mineral portfolio value and optimizing business operations. 

        Ms. Barton also serves as a member of the Board of Directors since 2019 and as Corporate Secretary since 2015. Prior to taking on her current role in 2021, Ms. Barton was a member of the Executive Management team as Executive Vice President and Director of Communications since 2012. Previously, Ms. Barton served as Vice President of Communications from 2007 to 2012 and Director of Corporate Communications and Marketing from 2003 to 2007. 

        With over 35 years of business experience including more than 20 years at Odyssey, Ms. Barton has extensive strategic planning, corporate governance, business analysis, management, investor relations, marketing, media, and content development experience. Under her leadership, Odyssey’s commercial success has been underscored through the development of global public relations, community and educational programs to demonstrate that Odyssey’s projects are not only monetarily valuable but is also beneficial to society both locally and internationally. 

        From 1994 to 2003, she was President of LLB Communications, a marketing and communications consulting company that served a variety of broadcast networks, stations, and distributors as well as Odyssey. Mrs. Barton also taught as an adjunct instructor at the University of South Florida. Prior to founding LLB Communications, Mrs. Barton served in various management, marketing, publicity, and creative services positions in local and network television. Mrs. Barton earned a B.A. degree in Mass Communications from the University of South Florida.

          John Oppermann
          Vice President, Research and Scientific Services

          John M. Oppermann leads the research and scientific teams in expanding and overseeing Odyssey’s diverse mineral resource portfolio. Together with these key departments and various consultants, he manages the efforts to identify key strategic resources, advise on environmental issues and mitigation strategies and orchestrates the development of the key components necessary to apply for mineral rights in various jurisdictions. 

          Mr. Oppermann is Odyssey’s Vice President and Director of Research and Scientific Services in 2013. He joined the company as the Director of Archaeology, Research and Conservation in 2005. During Odyssey’s shipwreck exploration years, Mr. Oppermann led the development of the company’s methodology for research and target selection thus building the company’s extensive target database that resulted in some of the biggest shipwreck discoveries in history. Mr. Oppermann also directed the archaeological, publications and conservation teams which demonstrate the company’s best-in-class work through documentation and exhibition. 

          Now that the company has shifted its focus to mineral resource exploration, Mr. Oppermann has helped develop the company’s creation of resource development assessments that project mineral tonnages and economic values of the targeted metals/minerals that are within Odyssey’s portfolio. Environmental Impact Assessments and Statements also fall under his purview. 

          Prior to joining Odyssey, Mr. Oppermann was Executive Co-Director for ProNet Polk, Senior Director of Internet Services Delivery Operations for WorldCom Group and Director of Operations Improvement of VoiceStream Wireless Corporation and Nextel. Mr. Oppermann holds a Bachelor of Business Administration as well as a Master’s of Business Administration in corporate finance from Pace University.



            Directors

            Show all
            Mark D. Gordon
            CEO and Chairman of the Board

            Mark D. Gordon is an entrepreneur with a keen ability to build companies and lead them to realizing their true potential for success. He orchestrated Odyssey’s pivot from shipwreck exploration to subsea mineral resources by recognizing the opportunity to apply Odyssey’s core competencies in a more productive manner, selecting diverse and strategic key mineral resource targets for the Odyssey portfolio and securing the funding necessary for the company to achieve success in this new endeavor.

            Mr. Gordon was appointed Chief Executive Officer of Odyssey Marine Exploration in 2014 and Chairman of the Board in 2019. Mr. Gordon also served as the company's President from 2007-2019 and on Odyssey's Board of Directors since January 2008.  He joined Odyssey in 2005 as an independent consultant before serving as Director, Business Development and Executive Vice President of Sales and Business Development, where he was responsible for the Attraction, Business Development and Retail Merchandising operations for the Company.

            Prior to joining Odyssey, Mr. Gordon started, owned or managed four different entrepreneurial ventures from 1987 to 2003, including Synergy Networks which he founded in 1993 and served as CEO until September of 2003 before selling the company to the Rockefeller Group. He continued serving as President of Rockefeller Group Technology Services Mid Atlantic (RGTSMA), a member of Rockefeller Group International, until December 2004. Past work experience also includes a two-year tenure as a Management Consultant at Arthur Andersen Consulting (now Accenture).

            Mr. Gordon received a B.S./Business Administration in 1982 and an MBA in Finance in 1983 from the American University. As a shipwreck diver with the National Diving Center in Washington DC, he has conducted hundreds of dives and explorations on shipwrecks and was the first person to discover and dive on the wreck of the S.S. Proteus, a ship that had been missing since the early 1900s.

            Mr. Gordon is also a board member for Marine Applied Research and Exploration, a non-profit focused on working collaboratively with state and federal agencies, academic institutions, and other NGOs, deploying a robotic fleet to explore and document deep-water ecosystems in support of their conservation and management.

              Mark B. Justh
              Lead Director

              Mark Justh joined Odyssey’s Board in July 2013. Mr. Justh is also the CEO of JD Farms, an organic hay and antibiotic free cattle farm in New York. Mr. Justh served as Managing Director at JP Morgan, Hong Kong for over ten years. Prior to that, Mr. Justh was a Partner at HPJ Media Ventures/DeNovo Capital from 2000 to 2002, where he managed a $25 million fund that made private investments in media properties. From 1994 to 2000 he was a Vice President at Goldman Sachs International responsible for Institutional Equity Sales coverage of Switzerland and France for the US equity product.

              Mr. Justh earned his Bachelor’s degree from Princeton University, his Master’s degree from New York University and his MBA from INSEAD (Fontainebleau, France). Mr. Justh was also Honorably Discharged from the US Army Reserve as a First Lieutenant in the Medical Service Corps.

              John C. Abbott

              John C. Abbott joined Odyssey’s Board of Directors in June 2015 and was appointed as Chairman of the Audit Committee in June 2016. He is the Chief Financial Officer of Altos Hornos de Mexico, S.A.B de C.V. (“AHMSA”), parent company of MINOSA. Previously from 2007 to 2013, Mr. Abbott served as Chief Executive Officer of MeetMe Inc. (Nasdaq: MEET), a leading U.S. social network for meeting new people. Mr. Abbott currently serves as Chairman of The Meet Group’s Board of Directors. From 1992 to 2005, Mr. Abbott held several positions within J.P. Morgan’s Latin America Mergers & Acquisitions team, working in both New York and Sao Paulo. Mr. Abbott earned his B.A. degree in History from Stanford University and M.B.A. from Harvard Business School.

              James S. Pignatelli

              James S. Pignatelli joined Odyssey’s Board of Directors in 2015. He serves as an independent member of the Board of Directors of Altos Hornos de Mexico, S.A.B. de C.V. He is also a director of ElectroRent Corp. and BlueCross and BlueShield of Arizona.

              Mr. Pignatelli has over 45 years of experience in the electric utility industry. Previously, Mr. Pignatelli served in various roles, including chairman of the Board, CEO, and President of Unisource Energy Services, Inc., and its subsidiary, Tucson Electric Power Co. (TEP). Prior to joining TEP, Mr. Pignatelli served as the president and CEO of Mission Energy Company, a subsidiary of SCE Corp. 

              Mr. Pignatelli holds a B.A. degree in accounting from Claremont Men's College and a J.D. from the University of San Diego.
               

              Laura L. Barton
              Chief Business Officer, Secretary and Director

              Laura L. Barton leads strategic and business operations initiatives at Odyssey, working closely with the company’s CEO. A communicator at heart, she directs and manages efforts to ensure the proper internal business services are in place to support the execution of Odyssey’s mineral resource project development and portfolio building plans. Ms. Barton bridges all Odyssey departments to facilitate alignment and progress toward the company’s strategic goals including increasing the company’s subsea mineral portfolio value and optimizing business operations. 

              Ms. Barton also serves as a member of the Board of Directors since 2019 and as Corporate Secretary since 2015. Prior to taking on her current role in 2021, Ms. Barton was a member of the Executive Management team as Executive Vice President and Director of Communications since 2012. Previously, Ms. Barton served as Vice President of Communications from 2007 to 2012 and Director of Corporate Communications and Marketing from 2003 to 2007. 

              With over 35 years of business experience including more than 20 years at Odyssey, Ms. Barton has extensive strategic planning, corporate governance, business analysis, management, investor relations, marketing, media, and content development experience. Under her leadership, Odyssey’s commercial success has been underscored through the development of global public relations, community and educational programs to demonstrate that Odyssey’s projects are not only monetarily valuable but is also beneficial to society both locally and internationally. 

              From 1994 to 2003, she was President of LLB Communications, a marketing and communications consulting company that served a variety of broadcast networks, stations, and distributors as well as Odyssey. Mrs. Barton also taught as an adjunct instructor at the University of South Florida. Prior to founding LLB Communications, Mrs. Barton served in various management, marketing, publicity, and creative services positions in local and network television. Mrs. Barton earned a B.A. degree in Mass Communications from the University of South Florida.

                Jon D. Sawyer

                Jon D. Sawyer  joined the Board of Directors in November 2009 and has served as chairman of the Governance and Nominating Committee since June 2015 and the Compensation Committee since March 2011. He also served as chairman of the Governance and Nominating Committee from June 2010 to June 2011. Mr. Sawyer opened his own securities law firm in January 2014 in Denver, Colorado, and he retired from his securities law practice in January 2018. Prior to that he was a practicing securities lawyer with the firm of Jin, Schauer & Saad, LLC in Denver, Colorado, where he worked from March 2009 until December 2013. He started his securities law career working for the Denver Regional Office of the Securities and Exchange Commission as a trial attorney from 1976 to 1979. He worked the next 27 years practicing securities law in private practice, and during this time he served as securities counsel for Odyssey from 1997 to 2006. He was a partner with the Denver law firm of Krys, Boyle, P.C. from November 1996 until June 2007. From June 2007 until March 2009 he was a co-owner and worked full time in various capacities including President and general counsel for Professional Recovery Systems, LLC, a privately held financial services firm engaged in the business of purchasing, selling and collecting portfolios of consumer charged-off debt.

                Director Since
                Todd Siegel

                Todd Siegel joined Odyssey’s Board of Directors in 2021. Mr. Siegel is also the current CEO of Centered Solutions, experts in the design, development and implementation of automated, high-speed prescription dispensing systems for the pharmacy industry. 

                Previously, Mr. Siegel served as President and Chief Executive Officer of MTS Medication Technologies, Inc from 1993 to 2010.  After the privitization of the company he served as CEO until the sale of MTS to Omnicell in 2012.  He joined MTS in 1985, shortly after its inception and served in various capacities during his tenure. Mr. Siegel was responsible for all strategic and operational activities of the business and led the company to become the dominant provider of medication punch cards and packaging automation in the US and Europe.  He is also the inventor of record for over 40 patents including key patents for MTS’s flagship OnDemand automation.

                Siegel received a bachelor’s degree in business administration from Fort Lewis College, Durango, Colo.  Mr. Siegel is currently a board member for Superior Group of Companies, Inc. (NASDAQ: SUC)where he serves on the Governance and Ethics Committee and chairs the Capital Committee. He is a lifetime member of the American Society of Consultant Pharmacists (ASCP), a member of the Young President’s Organization Gold and has served on boards of several charitable organization. 

                  Gregory P. Stemm
                  Co-Founder & Chairman Emeritus

                  Greg Stemm is an entrepreneur, pioneer and widely recognized leader in the field of deep-ocean exploration. He 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.

                  Mr. Stemm was the 2019-2020 President of the International Marine Minerals Society (IMMS), the oldest and largest international organization with the mission to promote the field of ocean mineral science, research and commerce. Previously, he was Chairman of the Board for Odyssey Marine Exploration until June 2019 and is currently Chairman Emeritus. He also served as Chief Executive Officer of Odyssey from January 2008 to October 2014 and as a Director and in various capacities including Chairman and Director of Operations since May 1994. During this time, he was responsible for research, project development, funding and operations on all shipwreck, marine exploration and offshore mineral projects.

                  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. He is the co-editor of the Oceans Odyssey series which features a broad range of scientific papers relating to shipwrecks and exploration in the deep ocean. He was also a panelist at the 1998 Law of the Sea Institute and was appointed to 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 (CPUCH) at UNESCO headquarters in Paris, France.

                  Mr. Stemm has been featured as an expert on deep-ocean exploration on international television and radio programs for the past thirty years.