Full-Time Faculty
Adjunct Faculty
Retired Faculty

Donald N. Rallis
Professor Emeritus
B.A., B.Sc (Hons) University of the Witwatersrand; M.A., University of Miami; Ph.D., Penn State University
dnrallis@umw.edu.
Donald Rallis recently retired from the American University of Phnom Penh in Cambodia, having retired from Mary Washington in 2013. He blogs on and edits the You Tube channel Journeys, People, Places where he maintains a photograph collection, and posts videos and short classes.

Brian R. Rizzo
Associate Professor Emeritus
B.A., M.A. University of Western Ontario; Ph.D. University of Virginia.
rizzo@umw.edu.
Dr. Rizzo retired at the end of the spring 2023 semester. While an undergraduate geography major – decades ago, Brian became involved with a new area of geography that would evolve into Geographic Information Systems (GIS). In the 20+ years since, he has been involved in developing GIS data structures and applications to address a wide range of issues. Brian’s research focus’s on global climate change as it relates to the biogeographic distribution of vegetation and Infrastructure management within a GIS framework.










