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Director:  Christopher Nicholson

Christopher Nicholson is the Director of Digital Antiquity. Beginning in fall, 2019 Chris becomes only the second Director in the Center’s 10 year history. He earned a Ph.D. in Anthropology from the University of Wyoming (2017). Previously he served as the Director of the Wyoming State Climate Office and Water Resources Data System in the Department of Civil and Architectural Engineering at University of Wyoming.  His research focuses on paleoclimates, environmental archaeology, human paleoecology, hunter-gatherer studies, paleodemography, and landscape archaeology. He is also interested in digital data preservation, archives and archival research, and open access platforms.
Chris can be reached at or 480-965-6510.


Assistant Director: Leigh Anne Ellison

Leigh Anne Ellison joined our staff in October 2012 as Sales and Marketing Coordinator, and was promoted to Associate Director in 2019. Ellison’s previous professional experience includes work as a Project Director for archaeological fieldwork in Mexico and Honduras, where she studied social variability among commoners. She also has considerable field experience in the US, working as a Field Archaeologist on various projects throughout Hawaii, Arizona, and Colorado. Ellison holds a Master’s degree in Anthropology from Northern Arizona University and a bachelor’s degree in Anthropology and Art History from Wellesley College.

Leigh Anne advocates globally for Digital Antiquity and the use of tDAR for the long-term preservation of and access to archaeological data. She is the primary liaison between Digital Antiquity’s clients and customers for communications and product and service delivery.

Leigh Anne can be reached at or 480-965-1593.


Lead Digital Software Engineer: Jim deVos

Jim deVos is the Lead Digital Software Engineer, responsible for tDAR’s development, maintenance, and web presence. He worked at tDAR in the early days, and has now rejoined our team to help us move forward into our second decade. Jim has extensive experience in web application development, having worked at Qwest, Honeywell, the ASU Library and Digital Antiquity. He earned a Bachelor’s degree in computer science from ASU.

Jim can be reached at or 480-965-6533.


Senior Digital Curator: Rachel Fernandez

Rachel Fernandez joined Digital Antiquity in January 2017 as the Digital Data Curator. With an interest in landscape archaeology and GIS applications, she has conducted field work in sites across the Mediterranean. In the U.S., Rachel has worked on cultural resource surveys, public assistance grants, and GIS applications for areas affected with natural disasters during her tenure with FEMA. Rachel holds a Master’s degree in Classical Archaeology from the University of Colorado Boulder and a Bachelor’s degree in Anthropology and Classics from the University of Florida.

Rachel can be reached at or 480-965-1602.


Post-Doctoral Researcher: Katherine Dungan

Katherine Dungan is a Postdoctoral Research Scholar at Digital Antiquity. She is currently working with large databases, and associated data tables from a series of projects around Theodore Roosevelt Lake in central Arizona. The goal is to make the data re-usable by future researchers. In her past research, she has worked on multiple field- and collections-based archaeological projects in the U.S. Southwest, addressing a broad range of topics including ceramic production, religious architecture, borderlands, and spatial analysis. Katherine holds an M.A. and Ph.D. in Anthropology from the University of Arizona. Before coming to ASU, she worked for several years as a researcher and educator for the Tucson-based non-profit Archaeology Southwest.

Katherine can be reached at .


Administrative Specialist: Charlene Collazzi

Charlene Collazzi is the Administrative Specialist for the Center of Digital Antiquity. Charlene has a keen interest in Archaeology, completing archaeological field schools in Chile, Panama, and Egypt before earning her Bachelor’s degree in Anthropology from UCLA. Since graduating, she has held various Administrative positions at UCLA Medical Center and most recently at the Boulder County Land Use Department in Colorado prior to joining the Digital Antiquity team in December 2018.

Charlene can be reached at or 480-965-1369. _____________________________________________________________________