1 October 1995 - 30 September 1999

          Junior Researcher at the National Science Foundation (NFWO)

     (Supervisor: Prof. Dr. Louis Beyens)

1 October 1999 – 30 September 2005:

          Postdoctoral Fellow at the Science Foundation, Flanders (FWO)

1 October 2005 – 28 February 2006

          Postdoctoral Fellow at the University of Antwerp

1 March 2006 – now (permanent position)

Workleader (rang B) National Botanic Garden of Belgium, later Agentschap Plantentuin Meise (since 01/01/2014)

1 October 2012 – now (permanent position)

            Professor (docent-ZAP) (10%) at the University of Antwerp, Belgium

Taxonomy, morphology and systematics of unicellular photosynthetic protists (Diatoms and Chrysophytes)

Ecology and paleo-ecology of protist communities in Arctic and sub-Antarctic ecosystems

Use of diatoms in water quality monitoring systems