Add to ORKGThe collection development role of the academic librarian in the research university library is increasingly subject to significant change as opportunities to build new types of library collections proliferate, particularly with respect to research data. A Purdue Libraries task force was charged with building faculty-produced collections for a data repository prototype. One purpose of the project was to inventory and characterize the resources and skills required of the libraries and its data-collecting librarians. This paper examines the librarian roles and activities that were identified during the project and suggestsways the experience of the task force can inform the roles and activities of librarians who are similarly charged