Alexander oversees the student employees at ECDS. He runs and develops experiential learning opportunities like the Digital Scholarship Training Program, Internship Programs, and the Graduate Community of Digital Scholars seminar. He works with faculty and students on projects involving GIS & Mapping, community-engaged research, and digital publishing, and is offering grant writing courses for doctoral students in the Humanities and Social Sciences (next: GRAD700, Fall 2025) 

Alexander is the project director of the OpenWorld Atlanta Research and Learning Hub, and a member of the Atlanta Studies Journal editorial board. 

In his work as a legal and ethnohistorian, Alexander combines archival research in Spain, France, and the U.S. with digital tools, such as historic GIS (Geographic Information Systems), to study patterns of migration, settlement, and land claim-making. He received his PhD in History from Emory University, with a dissertation on migration, land rights, and the ethno-history of law in the eighteenth-century Mississippi River Valley. His research received grants from, among others, the American Council of Learned Societies, the Mellon Foundation, and the Historic New Orleans Collection, and won the Cromwell Best Dissertation Prize from the American Society for Legal History.