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.
Harri Johannesdahl Harri Johannesdahl (born August 22, 1961) is a Finnish businessman and entrepreneur, who currently serves as the CEO for Coolbrook Ltd., an engineering company developing petrochemical technology. Coolbrook Ltd announced in February 2017, that the company would receive EUR 3.6 million from Tekes, a Finnish funding agency for innovation, for the development of plastic technology innovations using the ethene cracking method.