Stella has a Post Graduate Certificate in Education in Senior Mathematics at the Manchester in the UK and is currently an Examiner for Pearson exam board and IB Diploma. Over the past twelve years she has been taught students ranging from KS3 to adult professionals including GCSE, IGCSE, Aleve, International A level and IB Diploma in the UK. She has a degree in Architectural Engineering from Yonsei University and has achieved an Architectural Engineer qualification. She has been involved with the Food4Thought project as a Maths Coordinator for the Manchester Council and has a background in curriculum development, assessment, and reporting. As a member of British Mensa, she was the Lead Editor for the newsletter in the UK. Stella is also a keyboardist in a band and a church organist.