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