Johannes Ippen

Current 5 years and 9 months, since Jan 2018

1 year and 4 months, Sep 2016 - Dec 2017

3 years and 2 months, Aug 2013 - Sep 2016

2 years and 10 months, Nov 2010 - Aug 2013

11 months, Dec 2009 - Oct 2010

3 years and 10 months, 2007 - Oct 2010

4 years and 10 months, Dec 2003 - Sep 2008

3 months, Sep 2003 - Nov 2003

1 month, Jul 2001 - Jul 2001

4 years and 1 month, Oct 2005 - Oct 2009