Diálogos: Mente de las | das Plantas. Arts Front Foundation [online] (co-org.), July 2021.
The Mind of Plants Symposium. Arts Front Foundation [online] (co-org.), April 2021
The Environment in Brazilian Culture. Georgetown University, October 2017
Fernando Pessoa: Between Literature and Philosophy. (co-org.) Georgetown University, March 2015
Plant Intelligence: Scientific and Philosophical Perspectives. Georgetown University, Oct. 2014
Brazilian Literary Festival. (co-org) Georgetown University, Sept. 2009
Portuguese and Brazilian Film: Cinematic Theory and Praxis in Perspective. Georgetown University, March 2009
Colloquium “Rethinking April 25th in Portugal.” UC Santa Barbara, April 2002