Eleftherios A. Papatrifon

Excel Maritime Carriers Ltd. owns and operates dry bulk carriers. It also provides worldwide seaborne transportation services for dry bulk cargoes. The company was founded on November 2, 1988 and is headquartered in Hamilton, Bermuda.

Diana Shipping Services SA manages and operates a shipping fleet. It provides commercial management services, such as obtaining employment for the vessels and managing parent company's relationship with charters. Its technical management services include ensuring regulatory and classification society compliance, arranging and supervising dry docking and repairs, arranging insurance for vessels, purchasing stores, supplies, spares and new equipment for vessels and providing technical support. The company is headquartered in Athens, Greece.

CFA Institute operates as non-profit organization, which engages in the provision of chartered financial analyst programs. It offers certificate in investment performance measurement program, investment foundations, and scholarship. The company was founded in 1965 and is headquartered in Charlottesville, VA.

Quintana Shipping Ltd. engages in acquisition and operation of dry bulk vessels. It offers shipping and transport services. The company was founded by Eleftherios A. Papatrifon and Paul J. Cornell in November, 2010 and is headquartered in Athens, Greece.