Marti Greason has over a decade of experience leading Sierra Club trips to various destinations in the United States as well as abroad, introducing participants to varied landscapes, exotic cultures, and fascinating creatures (elephants and octopi, anyone?). She has traveled extensively in Europe, trekked through the Serengetti, visited the Orient and explored the Holy Land. She has also scuba dived in the Caribbean, zip-lined in the Costa Rican jungle, and followed Darwin’s footsteps in the Galapagos. She currently resides in Tucson, Arizona, where she is a docent at Tohono Chul Park, introducing visitors to the basics of desert flora and fauna.