With over 30 years of experience in education, John E. Erkus is a highly accomplished English language specialist, higher education lecturer, and academic leader. He has taught across all levels—from secondary to postgraduate—and specialises in General and Business English, exam preparation (IELTS, TOEFL, GCSE, PTE, SAT), academic English (EAP/ESP) and Aviation English. He is particularly known for his engaging, student-centred teaching style, strong results in exam preparation, and expertise in online and blended learning, helping learners achieve their academic and professional goals with confidence.