Huidige functies Mark Tonkens
- 2023 - heden CFO (Chief financial officer), BME Group
- 2019 - heden Managing director, NOVA Chemicals Holding
Loopbaan Mark Tonkens
- 2014 - 2023 CFO (Chief financial officer), Borealis
- 2011 - 2014 Senior vice president and group controller, Borealis
- 2009 - 2010 Vice president and group controller, Borealis
- 2005 - 2008 CFO (Chief financial officer), Philips consumer lifestyle