He studied cultural studies, sociology, philosophy, German literature, and obtained a master's degree in library and information science (LIS). He is a second year PhD student at the Berlin School in the information retrieval group and participates in the European PROMISE project. His research area is the theory of knowledge organization, in particular the social influence on classification and concept development. Kleineberg, Michael. The Blind Men and the Elephant: Towards an Organization of Epistemic Contexts. Knowledge Organization. 40(5), 340-362. 91 references.