Arizona State University July 2017 - present: Curator of Lichens and Digital Data Charles Darwin Foundation for the Galapagos Islands November 2004 - present: Adjunct Scientist (CDF Lichen Inventory)

Ach teaches courses in interdisciplinary and liberal studies, and her research often combines insights from literary studies, the desert humanities, and land management history.

Upham is an eco-evolutionary biologist with core interests in how species ecologies have diversified through time and across the tree of life. He studies the phylogenetic ecology of wild mammals, especially desert rodents.

Ryan Williams is an archaeologist, museum curator, and professor. With deep interests in the South American Andes, he studies climate change in the human past, as well as economic and political interactions in communities.