Jonathon Miller Weisberger

JonaPensive-crop*Via weblink – Jonathon is Guaria de Osa’s founder and steward. Jonathon, or Sparrow as his friends call him was born in Berkeley California and raised from a very young age in the country of Ecuador. Since 2000 he has been living 9 months a year in Costa Rica’s Osa Peninsula overseeing all aspects of the construction of Guaria de Osa Centre. He is more than our “jefe” he is also Guaria’s principal rainforest guide, plant master, storyteller and much more!

He likes to consider himself a professional beach bum, but this is far from the truth, quite on the contrary, he is an intrepid and knowledgeable rainforest guide and ethnobotanist, with 15 years of ground level experience, having guided over 550 participants into remote regions of Ecuador, Peru and Costa Rica. He also practices and teaches: Tui Na massage, Foot reflexology, Tai Chi and Dao In (Taoist exercises for health), I Ching study, Herbology and is Guaria’s on site Surf Instructor.

Jonathon is an enthusiastic storyteller who’s extensive and knowledgeable understanding of rainforest medicinal flora and indigenous life and world view is unique. He has collaborated as an ethnobotanist and as a rainforest conservation advocate, living for over 10 years (1990-2000) in the Upper Amazon among 5 distinct indigenous peoples communities and tribes.

Co-author of two ethnobotanical, bi-lingual educational books dedicated to indigenous youth in Amazonian Ecuador, Jonathon has published articles in Spanish and English. He has collected over 2500 herbarium specimens deposited in several herbariums in Ecuador and Peru. He has also collaborated on, initiated and overseen innovative rainforest conservation projects including the creation of biological reserves, de-colonization and the demarcation of indigenous territories, buffer zones around national parks, ancestral lands reclamation and cultural heritage revival. He has been influential in saving thousands of hectares of rainforest lands primarily in Ecuador on behalf of the projects.

Rainforest Medicine:
Preserving Indigenous Science & Biodiversity in the Upper Amazon
by Jonathon Sparrow Miller Weisberger, ethnobotanist,
founder and steward of Guaria de Osa,
director of Council for Cultural & Biological Diversity (