Greenwich International Education, UK. Callum Palmer has joined Greenwich International Education as Global Sales Director. Greenwich International Education is a new player in the Education Travel sector and specialises in English courses for Juniors, High School programs and a variety of online classes. Callum has worked within the EFL industry for over 10 years. His experience in operational roles, as well as the last eight years in sales and business development, most recently with Bayswater Education as Regional Sales Director, have given Callum a great understanding of global EFL markets and sales strategy. Callum has specialised in sales for junior summer camps, year-round groups, and high school year abroad programs.