Danish UC submarines were built by the entrepreneur who is CEO of what company?
Danish UC submarines The Danish UC submarines are a series of privately designed, built, and operated, subs by Peter Madsen and associates at Ubadsklubben Freya.
Karl-Johan Persson Karl-Johan Erling Göran Persson (born 23 March 1975) is a Swedish billionaire businessman, the chief executive officer (CEO) and president of the fashion company Hennes & Mauritz (H&M), which was founded by his grandfather Erling Persson. As of April 2017, according to "Forbes", he has a net worth of US$1.93 billion.