Efstathios Topouzoglou

Prime Tanker Management, Inc. provides deep sea freight transportation services. The private company is based in Kallithea, Greece and has subsidiaries in Greece and Panama. The CEOs of the Greek company are Michael Chalkias and Stathis Topouzoglou.

Prime Marine Management, Inc. is a ship management company based in Kallithea, Greece. and has subsidiaries in Greece and Marshall Islands. Prime Marine Management manages a fleet of 17 tankers and gas carriers with a carrying capacity of approximately 1.2 million deadweight tons. The Greek company firmly subscribes to the importance of seafarers' training and offers commercial management, operations, technical management, and newbuildings training services. Prime Marine Management is involved in the oil and gas industry, which is a crucial part of the energy chain and will continue to play a major role in our day-to-day life. The private company was founded by Michael Chalkias, who has been the CEO since incorporation.

Prime Marine Corp., Inc. is a leading provider of ship tracking and maritime intelligence. The company is based in Kallithea, Greece. The Greek company is dedicated to making actionable information easily accessible in order to bring about transparency and meaningful change to the maritime world. The company works closely with international organizations such as the International Maritime Organisation and the UN Conference on Trade and Development (UNCTAD), as well as leading ports, maritime companies, and oil majors to improve efficiency and reduce environmental impact. The company was founded by Michael Chalkias and Stathis Topouzoglou, who have been the CEOs since incorporation.

Energean Israel Ltd. engages in development of natural gas and oil resources. The company was founded on September 28, 2016 and is headquartered in Haifa, Israel.

Energean Oil & Gas SA explores, extracts and produces crude oil and gas. It operates as an exploration and production company that focuses Greece, the Adriatic, the East Mediterranean and on North Africa. The company was founded in 1977 and is headquartered in Athens, Greece.