Marcus Walker serves as Law Library Archivist and Digital Collections Librarian at Brandeis Law. In these roles, he manages the collection, storage and preservation of materials related to the history of the law school, including those of the former Jefferson School of Law. He also oversees the digitization of archival holdings, providing both an additional layer of preservation and greater public access.

In addition, Walker serves as Assessment Librarian, gathering and analyzing feedback from library patrons—particularly students—and recommending improvements based on those findings. His work ensures the law library remains both historically grounded and responsive to the evolving needs of the Brandeis Law community.