September 2015:

« De l'objet innovant à l'objet patrimonial : l'oxygène d'Air Liquide », Colloquium « Imaginaire, industrie et innovation », 21-28 Sept. 2015, Cerisy-la-Salle.

May 2013: Seminar "Les limites à la modélisation des imaginaires" (Limits to modelling of imaginaries/social representations), Chaire MODIM Telecom ParisTech & Rennes 2, Rennes, France 

"Quand l'homme prit le pouvoir. Proposition pour une archéologie du rapport à la technique en Occident"

Is it possible, tracking beneath techo-scientific imaginaries, to reveal archaic foundations of representations? The aim of this talk was to present a possible archeology of representations of technics.

January 2013: Seminar "L'éco-citoyen, un concept recyclable?" LERSEM, Université Montpellier 3, Montpellier, France
"L'homme au sommet : archaïsme et ambiguïté du rapport à la nature"
With neolithization, humankind symbolically settles in the centre of the world: is this the starting point of an anthropological path, explored to the extreme in the West?

November 2012: Symposium La montaña en la Humanidades y las Ciencias Sociales, Universidad del País Vasco, Vitoria-Gasteiz, Spain.
«Montagne et néolithisation : essai d'archéologie symbolique»
With the work of Olivier Keller, Historian of Mathematics, the interpretations of verticality and of the centre of the world can be seen as a result of neolithization. It changes radically our understanding of symbols of ascension and verticality, reintroducing a historical process in figures that were seen consubstantial of the human mind.

May 2012: Congress of SOCIÉTÉ QUÉBECOISE DE SCIENCE POLITIQUE (SQSP), Ottawa, Canada.
«L'incantation perpétuelle au changement dans les discours politiques appelant à l'alternance»
Analysis of speeches of candidates to left-wing primary process in France in October 2011 for the presidential election in 2012. Analysis by imaginary theory and qualitative and quantitative research with Net-Conversations (DCAP's software)

October 2011: Colloquium "Rumeurs de science", Université Jean-Monnet, site de Roanne.
«A armes égales : pourquoi la science ne peut pas gagner en étant seulement raisonnable»
Talk on the importance of affects in the process of a rumour: why logical reasoning isn't enough to fight a rumour and why it is necessary to understand the imaginary part of this kind of narrative.

June 2011: Colloquium "Chimères", Université Paul-Sabatier (Toulouse III) et Museum de Toulouse, Toulouse, France.
«Les lectures ''militantes'' de l'évolution , de Walcott à Gould : l'exemple du Schiste de Burgess»
How religious beliefs and political convictions interfere with scientists' work.