Billie Jago is a writer and teacher trainer specialising in digital learning materials and assessment resources. She is also the GSE ambassador for the UK. She has written for a number of well-known English Language learning titles and is a regular item writer for high stakes exams such as the PTE, IELTS and Cambridge exams. Alongside materials writing, she delivers international teacher training sessions, plenaries and workshops, and is the founder of the ELTcpd professional development platform and YouTube channel. She currently lives in Edinburgh, Scotland.