EcoImages: Amazonian Indigenous Film Festival. Casa do Cinema de Coimbra & Cinemateca de Lisboa, June 1-3, 2022.

Rivers of the Amazon: Poetic Affluents and Contested Modernities. Center for Social Studies, U. Coimbra, May 3, 2022.

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