Founder of Siem Industries SA, Kristian Siem is a Norwegian businessperson who has been at the head of 12 different companies and presently occupies the position of Chairman for Siem Industries SA, Chairman for Siem Industrikapital AB (a subsidiary of Siem Industries SA), Chairman at Subsea 7 SA, Chairman at Subsea 7 SA (Luxembourg) (a subsidiary of Subsea 7 SA), Chairman for Siem Shipping, Inc., Chairman at Siem Shipping UK Ltd. (a subsidiary of Siem Shipping, Inc.), Chairman for Siem Offshore AS, Chairman at Siem Capital AB and Chairman of BSR Group Holdings Ltd. Mr. Siem is also on the board of 6 other companies.

Mr. Siem previously was Chairman for Subsea 7, Inc., Chairman at Siem Offshore, Inc. and Chairman for Siem Car Carriers AS.