Borealis has appointed Mark J. S. Tonkens as Chief Financial Officer (CFO) and member of the Executive Board effective 1 November 2014. He succeeds Daniel J. Shook who has decided to pursue career opportunities outside Borealis.

Tonkens joined Borealis in 2009 and last held the position of Senior Vice President Group Controlling. The Dutch citizen has a Master of Science (MSc) degree in Business Economics and a post graduate Chartered Accountant (Register accountant) degree from the University of Groningen in the Netherlands. Before joining Borealis he fulfilled a number of senior management roles in the Royal Philips group as CFO and Senior Vice President of various major global Business Units or Country Organisations located from the Netherlands and Greece in Europe to Taiwan and Hong Kong in Asia.