Date of Birth: 
About Guillermo Arévalo
- Guillermo Arévalo Valera (born 1952) is a Shipibo vegetalista and businessperson from the Maynas Province of Peru.
- His Shipibo name is Kestenbetsa. In 1982, Arévalo co-founded Aplicación de Medicina Tradicional (AMETRA), an organization that sought to improve the sustainability of health care for the Shipibo-Conibo people by integrating traditional plant medicines.
- He is also the owner of Anaconda Cosmica, a retreat lodge in Peruvian Amazonia.
- The lodge is marketed to health tourists who are interested in ayahuasca and other traditional medicines of the Amazon. Among his several children is James Arévalo (b.
- 1972), a vegetalista whose Shipibo name is Panshincopi.
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