Börje Holmberg is a linguist by training who leads the field in the development of theories relating to distance learning and teaching. He has held senior posts at Hermods in Sweden, the FernUniversität and the Private Distance-Teaching University of Applied Sciences in Germany. He holds honorary doctorates from universities in Australia and the UK. His many publications include Growth and Structure of Distance Education (1986) and Theory and Practice of Distance Education (1995). 

Monica Shelley is a linguist who has worked at the Open University in the UK in Community Education, Modern Languages and Knowledge Resources Management. She has edited and published work in the field of foreign languages and distance education and her research interests focus on the language learning needs of distance learners, on the design and structure of language courses taught at a distance and the development of intercultural competence. 

Cynthia White is Associate Professor in the School of Language Studies at Massey University in New Zealand, where she has worked in the field of distance education at the tertiary level for nearly 20 years. Her primary research areas are language learning in self-instruction contexts, learner autonomy and distance education. Her most recent publication is Language Learning in Distance Education (2003).