| ICCOPT 2016, Tokyo, August 11, 2016: Shape Optimization for Contact Problems based on Isogeometric Analysis and Nonconvex Bundle Methods | 
| NUMISHEET 2016, Bristol, September 7, 2016: Shape Optimization for Contact Problems based on Isogeometric Analysis, (invited) | 
| SIOPT 2017, Vancouver, May 22, 2017: Geometry and Topology Optimization of Sheet Metal Profiles by Using a Branch-and-Bound Framework | 
| COMPLAS 2017, Barcelona, September 6, 2017: Shape Optimization for Isogeometric Contact Problems with Application to Fatigue Strength (invited) | 
| IGA 2017, Pavia, September 13, 2017: Shape Optimization for Isogeometric Contact Problems using Bundle Methods | 
| GAMM 2018, Munich, March 22, 2018: Nonsmooth Shape Optimization with Stress Constraints for Contact Problems based on Isogeometric Analysis | 
| 15th CM 2018, Copper Mountain, March 26, 2018: A Bundle Trust Region Method for Shape Optimization with Stress Constraints for Contact Problems based on Isogeometric Analysis | 
| ISMP 2018, Bordeaux, 02. July, 2018: Shape Optimization with Stress Constraints for Frictional Contact Problems | 
| ICCOPT 2019, Berlin, 07. August, 2019: A Bundle Trust-Region Method for Constrained Nonsmooth Problems applied to a Shape Optimization for Frictional Contact Problems | 
| FGS 2019, Nice, 18. September, 2019: A Constrained Bundle Trust-Region Method in the Context of Shape Optimization governed by Frictional Contact Problems |