Colin H. Williams is Research Professor and Director of the Language, Policy and Planning Research Unit in the School of Welsh, Cardiff University, UK. He also holds Visiting Professorships at Aberdeen and UHI universities in the UK and the University of Primorska, Slovenia, and Western Ontario, Canada. He is a former member of the Welsh Language Board and serves as an advisor to government agencies in Europe and North America. His previous publications include Called Unto Liberty, Linguistic Minorities in Democratic Context and, as editor, Language Revitalization, Language and Governance, and with H.S. Thomas (joint editor) Parents, Personality and Power.