Greg Kessler has published extensively and delivered invited talks around the world. He is a professor of Innovative Learning Design & Technology in the Educational Studies department at Ohio University. His research addresses technology, teaching, learning, culture and language with an emphasis on teacher preparation and curricular design. He has held transformative leadership positions, including president of the computer assisted language instruction consortium (CALICO), president of the Ohio teachers of English to speakers of other languages (TESOL) and chair of the TESOL CALL interest section. He has edited numerous monographs, special issues and serial publications, including the TESOL Encyclopedia of English Language Teaching, the CALICO Equinox book series, Advances in CALL Practice & Research, and the Language Teaching & Technology forum in the journal Language Learning & Technology among others. He has most recently been Fulbright Canada Research Chair of Digital Technologies and Sustainability in the Werklund School of Education at the University of Calgary.