Course Tutors Our trainers are all highly qualified TESOL professionals, with wide experience within the industry and of teacher-training programmes. Every member of our training staff has: an MA TESOL degree or the Diploma in TEFL (TEFLq status) taught EFL/ ESL in at least three countries a minimum of six years TESOL experience Many of the staff are members of the academic management of the Greenwich School itself and of the ISIS Summer School programme. As such, the staff are able to advise trainees on working life in Britain and abroad, on classroom management and materials, and on ways in which a career in TEFL can develop. Leading all courses are two senior trainers who have worked on past Trinity TESOL certificate courses at other centres.