J. Kerres. (2011)Vortrag, Advances in Materials for Proton Exchange Membrane Fuel Cell Systems 2011, Asilomar Conference Grounds, 20.02.-23.02.2011, Pacific Grove, California USA.
J. Kerres. (2010)Vortrag, Invited Oral Presentation, 3rd International Conference on Functional Materials and Devices (ICFMD-2010), 14.06.-17.06.2010, Kuala Terengganu, Malaysia.
J. Kerres. (2008)Presentation, Conference „Progress in MEA components for medium and high temperature polymer electrolyte fuel cells”, 21.09. - 24.09.2008, La Grande Motte, France.
J. Kerres, and F. Schönberger. (2007)Vortrag, An International Workshop on Degradation Issues in Fuel Cells, 19.09.-21.09.2007, Hersonessos, Kreta, Greece.