All our teachers are experienced, qualified, native-English teachers from the USA, the UK, Canada, Australia, Ireland, and South Africa. With the PRO formula, you have a choice of the most relevant teachers based on the track you chose (Conversation, Business English, Exam Preparation). With the PREMIUM formula, you will have access to all Premium teachers, as well as all the other teachers, with a vast variety of accents and specialties. Premium teachers have both teaching and professional experience and use advanced methodologies to teach English in the most personalized way.