Dr. Ezra Béjar is a a world's expert on Botanical Medicine and phytotherapy. He has over fifteen years of experience in retail and MLM nutritional supplements and leading scientific and technical affairs, research and product development.


Dr. Rainer W. Bussmann is a vegetation ecologist and ethnobotanist. He specializes in regeneration and utilization of montane forests and grasslands in Latin America and Africa. He is former Director of the Lyon Arboretum at the University of Hawaii and vice president of Nature and Culture International, Del Mar, U.S.A.

Mr. Cruz Roa Jaramillo is a farmer and herbalist from the community of San Pedro de Vilcabamba, Ecuador. He has served on a variety of civil service and community development projects. He collaborated with the coauthors on the Vilcabamba Medicinal Plant Project in 1995-96.

Dr. Douglas Sharon is former director of the San Diego Museum of Man and a former director of the Phoebe Apperson Hearst Museum of Anthropology at the University of California, Berkeley. He holds a Ph.D. in anthropology from UCLA.