1. Wentzell boundary conditions in the context of structured populations and mathematical epidemiology, (invited talk)
   The Third International Conference on Mathematical Modeling and Analysis of Populations in Biological Systems (ICMA III), October 7-9, 2011, San Antonio, USA


2. Wentzell semigroups in biology, (invited talk)
   8th European Conference on Mathematical and Theoretical Biology, June 28 - July 2, 2011, Krakow, Poland


3. Steady states in a structured epidemic model with Wentzell boundary condition, (invited talk)
   9th Colloquim on the Qualitative Theory of Differential Equations, June 28 - July 1, 2011, Szeged, Hungary


4. Positive operators and stability of physiologically structured population models, (invited talk)
   SIAM DSPDE's 10, Emerging Topics in Dynamical Systems and Partial Differential Equations, May 31 - June 4, 2010, Barcelona, Spain


5. Semigroup analysis of a model for structured populations, (invited talk)
   The 8th AIMS Conference on Dynamical Systems and Differential Equations, May 25-28, 2010, Dresden, Germany


6. Existence and stability of steady states in hierarchical structured populations with infinite states at birth,
   The 8th AIMS Conference on Dynamical Systems and Differential Equations, May 25-28, 2010, Dresden, Germany


7. Structured populations in aquaculture: modelling and analysis, (poster presentation)
   Chemical Dynamics: Challenges and Approaches, January 11-16, 2009, Institute for Mathematics and its Applications, University of Minnesota, MN, USA


8. Structured population dynamics: Delay vs. PDE formulation, (invited talk)
   World Congress of Nonlinear Analysts, July 3-10, 2008, Orlando, FL, USA


9. Structured population: Stability, immigration and the net growth rate, (invited talk)
   7th European Conference on Mathematical and Theoretical Biology, June 29 - July 4, 2008, Edinburgh, Scotland


10. Structured population: Stability, immigration and the net growth rate, (poster presentation)
    Workshop on Population Dynamics and Mathematical Biology, June 15-20, 2008, CIRM Luminy, France


11. Structured populations: Stability, immigration and the net growth rate, (invited talk)
    The 7th AIMS Conference on Dynamical Systems and Differential Equations, May 18-21, 2008, Arlington, TX, USA


12. Results on the asymptotic behaviour of some physiologically structured population models: Scramble vs. contest competition, (invited talk)
    International Conference on Interdisciplinary Mathematical & Statistical Techniques, May 15-18, 2008, Memphis, TN, USA