Marcia Lei Zeng is Professor of Library and Information Science at Kent State University. She holds a Ph.D. from the School of Information Sciences at University of Pittsburgh (USA) and M.A. from Wuhan University (China). Her major research interests include knowledge organization systems (taxonomy, thesaurus, ontology, etc), Linked Data, metadata and markup languages, database quality control, multilingual and multi-culture information processing, and digital libraries for cultural objects. Her scholarly publications consist of more than 70 papers and four books, as well as many national and international conference presentations. She was the P.I. and Co-P.I. of two National Science Foundation's (NSF) National Science Digital Library (NSDL) projects. She currently is the P.I. of an IMLS funded Linked Data project. She has chaired and served on standards committees and working groups for the International Federation of Library Associations and Institutions (IFLA), Special Libraries Association (SLA), American Society for Information Science and Technology (ASIS&T), the US National Information Standards Organization (NISO), and the International Organization for Standardization (ISO). She was the chair of IFLA Working Group on the Functional Requirements for Subject Authority Records (FRSAR) and IFLA Classification and Indexing Section. She served as the Executive Board member of the International Society for Knowledge Organization (ISKO), a member of IFLA Working Group on Guidelines for Digital Libraries which prepared the IFLA/UNESCO Digital Library Manifesto, an Invited Expert on the W3C Library Linked Data Incubator Group, and a member of the EU ISA Program’s Asset Description Metadata Schema (ADMS) Working Group. She has been a Working Group member of the ISO 25964 Thesauri and Interoperability with Other Vocabularies. She currently serves on the Dublin Core Metadata Initiative (DCMI) Advisory Board. She is also Director-at-large of the American Society for Information Science and Technology (ASIS&T).