Interview with Carl-Johan Westring

Interview description

Carl-Johan Westring, Vice President at EF Education First (www.ef.com) talks about the EF Research Unit at the University of Cambridge Department of Theoretical and Applied Linguistics and EF's groundbreaking English Profeciency Index - a research based on 1.7 million test takers in 54 countries around the world (www.ef.com/epi).