Dr. Hyunsun Yoon is a Programme Director for the Postgraduate division in the Department of Media, Culture and Creative Industries, at City St. George's University of London. 

As a Senior Fellow of the Higher Education Academy (SFHEA) and Senior Lecturer in Strategic Communications, she has 20+ years experience in teaching and researching media, advertising, and marketing communications. Her research interests revolve around promotional and digital cultures, strategic communications, and EDI, especially in relation to older adults and ageing societies. 

Between 2018 and 2023, she was awarded by the British Academy, Leverhulme Trust, Korean Cultural Centre UK, and DM Trust Consumer Fund for research and consultancy projects. Her work has been shared both nationally (in the UK) and internationally through continued collaborations and public engagement with the UN Economic and Social Commission for Asia and the Pacific (ESCAP), the European Institute for Commercial Communications Education (EdCom), and the History of Advertising Trust (HAT). Her international profile has a foundation in using education to empower under-represented communities and to improve the public experience of digital communications.