Louis alexander, a world-famous authority on English teaching, is a member of the European Modern Language Teaching Committee. His works laid the foundation of communicative approach, and some of them, such as New Concept English and Follow Me, have become classic English textbooks.

Julia Alexander, a famous language teaching expert, was a global teacher trainer and language teaching consultant of Longman Publishing Company, and was the wife of Mr. Alexander. She cooperated with Mr. Alexander to help publish New Concept English (new edition), Longman English Grammar and Longman Advanced English Grammar. In recent years, she has devoted herself to studying the development of listening and speaking skills in language teaching.

Roy Kingsbury, a senior English teacher and English textbook writer, has worked with Mr. Alexander for a long time and compiled several sets of textbooks. In recent years, he mainly engaged in language testing research and compiled EFL testing courses. His works include Longman First Certificate, Longman Proficiency and CAE Advantage.