Harry Vafias founded Stealth Maritime Corp in 1999. Stealth Maritime Corp has invested in excess of $1 billion in new generation newbuilds, during the period 2007-2010, for the renewal of its tanker fleet and today operates twenty two 50,000 – 120,000 dwt modern double hull oil tankers all under long term charters with oil companies and traders. In 2004 he founded Stealthgas which was listed in NASDAQ in October 2005 and up to today has raised approx $500 mill from the capital markets. Stealthgas owns 60 gas ships (including newbuilds) and 4 oil tankers and is the largest company, in number of owned vessels, in gas transportation worldwide. In 2005 he founded Estates Corporation Inc,, a real estate company investing in Greece, London, New York, LA and Geneva. In 2008 he became CEO of the Vafias Group, which today is the third largest shipping group in Greece with 86 vessels.

In 2008 Harry Vafias was awarded by the NASDAQ for being the “Youngest CEO of a Listed Shipping Company” worldwide. In the same year he was awarded the SEATRADE “Young Person in Shipping Award”. In 2012 he was awarded by Lloyds’ List newspaper for being ‘Newsmaker of the Year”. In 2013 Harry Vafias and StealthGas were awarded by Lloyds’ List newspaper for ‘Best Tanker Company of the Year’.

In 2010 Mr. Vafias was elected vice chairman of the INTERTANKO Mediterranean Panel, while in 2016 he was elected vice president of the consular corps in Greece. He is also a member of the ABS classification society committee, of the NK classification society committee, of the KR classification society committee, member of the board of the BSA (Bahamas Shipowners Association) and also a member of the board of BCA (business school of Athens).