In the early 1970s , Dermot McGrath published several crosswords in the London Evening News which boasted 2.5 million readers.
Between 2011 and 2014, more than 100,000 students worldwide signed up for his Cambridge EFL exam preparation courses. The majority of these users are Spanish, Italian or Portuguese-speaking.
He is the creator of the learning techinque Linguapuncture – Breaking Through the Thought Barrier, a highly original approach to language teaching which has been adopted into many classrooms in Spain, both in the private and public sector.
His methodology covers books, essays, videos, courses, tutorials, board games and crosswords. He has written several treatises on comparative language analysis.