Wiler is a traditional Shipibo healer working with ayahuasca. He has worked as head shaman at some of the most reputable ayahuasca retreat centres in the world, including Arkana in Peru and Soltara in Costa Rica. After many years of experience he opened his own retreat centre, Ayahuasca Spirit. Tamara is a Spanish healer whose background is in psychology and she and Wiler work together to provide traditional Shipibo ayahuasca ceremonies in Peru but also in Europe.