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Brazilian Society of Skeptics and Rationalists

Brazilian association founded in 2001 to promote rational skepticism and rationalism.

Last updated September 27, 2026

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Overview

The Sociedade Brasileira de Céticos e Racionalistas (Brazilian Society of Skeptics and Rationalists) is a Brazilian association dedicated to promoting rational skepticism and rationalism. It was founded in 2001 by Dr. Renato Marcos Endrizzi Sabbatini, a well-known university professor who publishes scientific articles in the press. By 2013, the association had more than 300 active members. Its website hosts writings on pseudoscience and skepticism, authored by Dr. Sabbatini and other members, and includes a discussion forum. The official domain ceticos.org is currently listed for sale, indicating that the organization's online presence may be inactive or transitioning. The association is not a commercial brand but a non-profit entity focused on scientific skepticism and rationalism in Brazil.

History

The Sociedade Brasileira de Céticos e Racionalistas was founded in 2001 by Dr. Renato Marcos Endrizzi Sabbatini, a prominent university professor known for publishing scientific articles in the press. The organization was established to promote rational skepticism and rationalism in Brazil. By 2013, it had grown to include more than 300 active members. Its website served as a hub for writings on pseudoscience and skepticism, featuring contributions from Dr. Sabbatini and other members, along with a discussion forum. The current status of the association is unclear, as its official domain ceticos.org is now listed for sale, suggesting that the online platform may no longer be maintained.

  • 2013

    Association had more than 300 active members.

  • 2001

    Founded by Dr. Renato Marcos Endrizzi Sabbatini.

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