Thorpe Bay, Essex, UKInternational Keynote Speaker, Author, Consultant... Recognised as a leading authority on Cultural Diversity, Intercultural Communication and International Business Practice, Dr Deborah Swallow is a highly-rated... Recognised as a leading authority on Cultural Diversity, Intercultural Communication and International Business Practice, Dr Deborah Swallow is a highly-rated and well-respected keynote speaker, author and consultant.