William Frej has been photographing Indigenous people for more than forty years while living in Indonesia, Poland, Kazakhstan, and Afghanistan as a career diplomat with the United States Agency for International Development and traveling in other remote, mountainous regions of Asia. His book of black-and-white photographs, Maya Ruins Revisited: In the Footsteps of Teobert Maler (2020), has won fourteen awards. His second book, Seasons of Ceremonies: Rites and Rituals in Guatemala and Mexico (2021), has won eight awards including four "photography book of the year" awards. Travels Across the Roof of the World: A Himalayan Memoir (2022) features color photographs by William Frej and text by Anne Frej.