For inquiries regarding the utilization of ethnobotanicals, or in case you are experiencing an adverse situation or difficulty integrating and experience, please read this page. For inquiries regarding legal support , please read this page.

  • We don’t offer sessions of ayahuasca or iboga.
  • We don’t recommend centers or people who perform/do sessions.
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Carrer de Sepúlveda, 65 , Officina 2, 08015 Barcelona España +34 931 88 20 99

Our people

We are grateful to have some of the leading minds in science, policy, human rights, and psychology working together to design solutions that will transform society’s relationship to psychoactive plants. Their insights are helping build a more just and sustainable future.

In addition to our board of directors and staff team, listed below, we also work with numerous experts, associate researchers, and steering committee. Coming soon!

Board of directors

Joan Obiols-Llandrich

President KNOW MORE

Maria Carmo Carvalho

Vice-president KNOW MORE

Margot Honselaar

Treasurer KNOW MORE

Ricard Faura

Secretary KNOW MORE

Pep Cura Oliveras

Member-at-large KNOW MORE

Dennis McKenna


Ethan Nadelmann


Staff team

Benjamin De Loenen

Executive Director KNOW MORE

Òscar Parés

Deputy Director KNOW MORE

Constanza Sánchez Avilés

Law, Policy & Human Rights Director KNOW MORE

José Carlos Bouso

Scientific Director KNOW MORE

Andrea Langlois

Director of Engagement KNOW MORE

Marc B. Aixalà

Integration Services Coordinator KNOW MORE

Jerónimo Mazarrasa

Social Innovation Coordinator KNOW MORE

Genís Oña

Research Coordinator KNOW MORE

Kiko Castellanos

Digital Communications Officer KNOW MORE

Cristina Sanchez

Project coordinator KNOW MORE

Susanna Bofill

Head of Administration KNOW MORE

Natalia Rebollo

ADF Coordinator KNOW MORE