Odyssey Marine Exploration, a company in the field of deep-ocean shipwreck and offshore mineral exploration, appointed Mark B. Justh to its board of directors. The appointment adds a seat to the board, bringing the total number of directors to seven, including five independent directors. Justh previously served for 12 years at JP Morgan. There he was a managing director and head of Pan Asian Equities Distribution in Hong Kong. During his tenure at JP Morgan he was also responsible for Cash Equities Distribution in the Americas. Prior to JP Morgan, he was a partner at a startup fund in the media space, HPJ Media Ventures/DeNovo Capital. Earlier in his career, he was a vice president at Goldman Sachs International in International Equities. Justh holds a B.A.