Renowned dictionary publisher and ex-lexicographer with more than 50 years’ experience in dictionary publishing, Della Summers was also a founder member of the British National Corpus, and helped pioneer spoken language and learner corpora at Pearson Longman. She now works as a freelance consultant and language blogger.

During her 30 years as Director of Dictionaries at Pearson Longman, Della was responsible for all the ELT dictionary publishing of Longman, world-famous for its innovation and user-friendliness. Under her direction, Longman produced the first ELT dictionary on CD-ROM and the first online ELT dictionary.

She offers consultancy to publishers, based on extensive market knowledge of the ELT dictionary markets around the world, including Asia, the US, and Europe, with Japan being a speciality.