ShinJoung Yeo is a PhD student and Fellow in the Information in Society program at the Graduate School of Library and Information Science at the University of Illinois at Urbana Champaign. Prior to returning to school, she was Coordinator for Reference and Outreach Services in the Stanford University Library, and also serves as Bibliographer for Communication in the Social Sciences Resource Group.

Shinjoung is a founding member of Radical Reference, a collective of volunteer library workers who use their professional skills to answer information needs from the general public, independent journalists, and activists. She was named 2005 Library Journal Mover & Shaker with her husband James R. Jacobs. She holds both a bachelors (1999) and masters (2002) degree in Journalism and Communications from the University of Oregon. She previously worked as a reference librarian at the University of California at San Diego and the San Diego Community College District Libraries, and as a news reporter for Korean-American Television in Los Angeles. In September of 2007 she and James took the Internet Archive's Bookmobile on a tour of Northern California, bringing a demonstration of print-on-demand and online library services to communities that do not have easy access to a wide variety of printed materials.