Sean Wallis is Principal Research Fellow and Deputy Director of the Survey of English Usage at UCL. He is an experienced computer programmer and researcher in artificial intelligence who developed the ICECUP research platform for parsed corpus linguistics, first published in 1998, and maintained and developed thereafter. His publications include Exploring natural language (2002, with G. Nelson and B. Aarts, John Benjamins), The English verb phrase (2013, edited with J. Close, G. Leech and B. Aarts, CUP). He has published book chapters and journal articles on topics from artificial intelligence to statistics and corpus research methodology, and he has contributed to numerous corpus linguistics research articles. He runs a blog on statistics in corpus linguistics, corp.ling.stats (http: //corplingstats.wordpress.com). He is also the convenor of the Convention for Higher Education, a UK network dedicated to defending the academic integrity of the university system.