2003. 07.21.2003. (Executive)
2003. 07.21.2003. (Focus)
2005. 10.24.2005. (Albemarle)
2006. 09.05.2006. (Repsol YPF)
2007. 07.09.2007. CEO
2008. 04.07.2008. CFO
2008. 04.07.2008. ShareHolder
2014. 07.02. Synfuels CN Technology
2016. 02.19. Saudi Aramco
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