Director of Queering Psychedelics. Chacruna, Brava Theater Center, San Francisco, June 1-2, 2019.

Director of the Foro Plantas Sagradas: Usos y Normas (Sacred Plants Forum: Uses and Norms). Chacruna/ Drogas Política y Cultura/CIESAS. Escuela Nacional de Antropologia y História, Mexico City, Nov. 21-22, 2018.

Director of the Women and Psychedelics Forum. Chacruna/ East West Psychology Program, CIIS, San Francisco, Nov 19, 2018.

Director of the Symposium Cultural and Political Perspectives on Psychedelic Science. Chacruna/ East West Psychology Program, CIIS, San Francisco, Aug18-19, 2018.

Director of the Conference Plantas Sagradas en las Américas (Sacred Plants in the Americas) CIESAS/DPC/Chacruna, Ajijic, México, 23-25 de Februray 2018.

Organizer of the Plant Medicine track at Psychedelic Science 2017. MAPS, Marriot Hotel, Oakland, USA, April 19 – 24, 2017.

Organizer of the Ayahuasca Workshop: Science to Ceremony at Psychedelic Science. 2017. MAPS, Marriot Hotel Oakland, USA, April 19 – 24, 2017.

Organizing Committe and Scientific Committee of the Congress “Drugs, Politics and Culture: Perspectives Brazil-Mexico.” CIESAS, Guadalajara, Mexico, October 5-6 2015.

Organizing Committe and Scientific Committee of the “III Meeting of Anthropology México-Brazil“. CIESAS, Instituto Cultural Cabañas, Guadalajara, Mexico, October 1-3 2015.

Scientific Advisory Committee of the “2014 World Ayahuasca Conference”. ICEERS, Palau de Congresos, Ibiza, Spain, 25- 27 September 2014.

Scientific Committee of the “II  Congress of Traditional Medicine and Public Health: Sacred Plants, Culture and Human Rights”. Autonomous University of Mexico, Toluca, 3-5 April 2014.

Lauching of the book “Ayahusca y Salud” and round table “Sacred Plants in Mexico”. Escuela Nacional de Antropología y Historia (ENAH), Mexico City, Mexico, September 26, 2013.

Member of the Organizing Comitte of the “International Congress about Drugs, Law, Health and Society“. Federal University of Brasília (UnB) & Federal Council of Psychology (CFP). Museu da República, Brasília, Brazil, May 3-5, 2013.

Organization of the Ayahuasca Track and Ayahuasca Workshop in the 2013 Psychedelic Science Conference, Oakland, USA, April 18-23, 2013.

Organization of the Workshop Ayahuasca Healing: Medical, Legal, and Cultural Considerations, MAPS 25th Anniversary Conference, Oakland, USA, December 8th-12th, 2011.

Co-organization with Marcelo Mercante et. al of the Congress “Ayahuasca and the Treatment of Dependency”, Anthropology Department of the Univeristy of São Paulo (USP), São Paulo, Setember 12th-14th, 2011.

Co-organization with Open Stiching Foundation and Maps of the “European Ayahuasca Research Symposium“, Amsterdam, June 17, 2011.

Moderation of the Ayahuasca Track in the “Breaking Convention: A Multidisciplinary Convention on Psychedelic Consciousness“, Kent University, Canterbury, UK, April 2nd-3rd, 2011.

Organization of the “Amazon Conference: Amazonian Shamanism, Psychoactive Plants and Ritual Reinvention“. Institute of Medical Psychology, Heidelberg University, Heidelberg, Germany, Dec 6ht-7th, 2010.

To hear the presentations: Glenn Shepard, Françoise Barbira Freedman, Anne-Marie Losonczy & Silvia Mesturini, David Dupuis, Kenneth Tupper, Mauro Almeida, Manuela Carneiro da Cunha, Renato Sztutman, Adèle van der Plas, Janine Schmid (click on the top of the name of the person, not the arrow; you will be directed to “Rapid Share”, then click on the right margin side in the “slow download”)

Moderator of the “Ayahuasca Track” (22 presentations). Psychedelic Science in the 21st Century, MAPS, San Jose, USA, April, 16-18, 2010.

Promotion of the event “Screening: ritual and non-ritual drug use in two films”. Exhibition of the film Wine of the Souls, by Michael Ende (2008, 57 min) and the National Geographic episode Narcotics (series Taboo, 2010, 50 min), followed by discussion. Institute of Medical Psychology, Heidelberg University, Heidelberg, Germany, March 1st, 2010.

Co-organization with Henrik Jungaberle and Rolf Verres of the conference “The Globalization of Ayahuasca: An Amazonian psychoactive and its users”. Institute of Medical Psychology, Heidelberg University, Heidelberg, Germany, May 16th – 18th, 2008.
See pictures

Co-organization of the Debate “Harm Reduction: Dilemmas and Perspectives” (“Redução de Danos: Dilemas e Perspectivas“), Anthropology Department, Universidade Federal de São Paulo (Unifesp), São Paulo, Brazil, November 28th, 2007.

Co-organization of the Debate “Drug Policy Alternatives” (“Alternativas para a Política de Drogas”), Anthropology Department, University of São Paulo (USP), São Paulo, Brazil, November 21th, 2006.

Co-organization of the Symposium “Drugs: Controversies and Perspectives” (“Drogas: Controvérias e Perspectivas”), History Department, University of São Paulo (USP), São Paulo, Brazil, September 29th-30th, 2005. This meeting generated the book Drogas e Cultura: Novas Perspectivas (Drugs and Culture: New Persepectives).

Consultancy to the “First Brazilian Meeting on Shamanism” (“PrimeiroEncontroBrasileiro de Xamanismo”), promoted by AssociaçãoLuaCheia – Pax, São Paulo, Brazil, March 13th -20th, 2005.
Press Release in English
Partial Program in Portuguese
Partial Biographies of the presenters in Portuguese
Organization of the “First Congress on the Ritual Use of Ayahuasca” (“I Congresso sobre o Uso Ritual da Ayahuasca – I CURA”), Universidade Estadual de Campinas (Unicamp), Campinas, Brazil, November 4th – 5th, 1997. The congress generated the book O Uso Ritual da Ayahuasca (The Ritual Use of Ayahuasca).
Press Release in Portuguese
Press Release in English
Programação em Português