Paul Donahue and Teresa Wood are partners in Treetop Explorations. Both have had extensive experience working in the Amazonian rainforest of Peru, as well as experience in the rainforests of Ecuador, Bolivia, Colombia, Brazil, Paraguay, Venezuela, Suriname, Panama, Costa Rica, Guatemala, and Belize.

Paul is an ornithologist, naturalist, bird painter and environmentalist who has been working in the South and Central American rainforest since 1972, tape-recording bird vocalizations, painting birds, and guiding natural history tours. For twelve years he worked as a resident naturalist at the Explorer's Inn, in the rainforests of the Tambopata-Candamo Reserve in southeastern Peru, and has led birding and natural history trips to twelve countries in Central and South America. In 1988 he began concentrating his efforts in the canopy of the Peruvian rainforest, tape-recording and drawing the birds of that habitat and taking others up into the rainforest canopy.

Teresa Wood received her B.S. in Zoology from the University of California, Davis, and a B.S. in Nursing from California State University, Fresno. She then served as a Peace Corps Volunteer in Paraguay for three years. After leaving Peace Corps in l989, she began working with Paul in the rainforest canopy of the Tambopata-Candamo Reserve.

They continued working in the rainforests of southeastern Peru until 1991, constructing twenty canopy observation platforms in each of three reserves, including the Manu Biosphere Reserve. During this time they took hundreds of visitors into the canopy on climbing ropes, and worked with the Superflow Corp. on the production of the film Spirits of the Rainforest.

 In late 1991 they were contracted to begin construction of the canopy walkway at the Amazon Center for Environmental Education and Research (ACEER) in northeastern Peru. A year later they were hired as the co-directors of the ACEER facility, where they shared responsibility for the on-site management of ACEER for two years. Together they supervised the completion of the ACEER Canopy Walkway, directed trail development and maintenance in the reserve, provided conservation and natural history training to local tourist guides, began developing an environmental education program for local schools, acted as instructors in rainforest conservation issues, canopy ecology, and tree-climbing at rainforest workshops held for North American teachers and middle school students, assisted in family planning talks in the local community, served as hosts to visitors and researchers at the ACEER, and worked towards making the ACEER a model ecologically sound facility.

After leaving ACEER, in 1995 they traveled to Paraguay, training Paraguayan biologists in methods to reach the rainforest canopy and constructing a canopy observation platform for them at the Mbaracayú Forest Reserve. Later that year they began construction of the 250 meter long Rainmaker Mountain canopy walkway in the Puntarenas Province of Costa Rica.

Since leaving the Rainmaker Mountain project they have continued teaching canopy access methods to young people and adults in North and South America, and speak frequently to groups of all ages on rainforest canopy biology, ecology, and conservation.