5.February 2013, C+ as an astronomical tool, Lorentz Center Workshop, Leiden, NL
3. December 2012, Habilitation Presentation, Köln, Germany
18./19. October 2012, WADI workshop Bonn, Germany
1. June, 2012, SFB 956 Retreat, Maria in der Aua, Wermelskirchen, Germany
29. February, 2012, Exciting CO in the Local and High-Redshift Universe workshop, Leiden,
19. December 2011, WADI/HEXOS workshop, Cologne
14.-16. September, 2011, FIR 2011, London
1. June 2011,The Molecular Universe (IAU symposium 280), Toledo, June 2, 2011
17.-18. February 2011, ORION Bar modelling workshop, Paris