Sarah Osman, born in Khartoum, Sudan, is Founder of Osman Advisory Services, a boutique consultancy firm that specializes in applied behavioural science. She is a cognitive psychologist and global development specialist with 18 years of experience working in Europe, Africa and Asia.

Sarah is an expert in social and behaviour change; health psychology; behavioural insights; behavioural design and human-centred design. She has worked with these skills in many thematic areas including diaspora, migration and development, sexual and reproductive health and rights and education. Clients she worked with include World Vision, Save the Children, the Danish Refugee Council, Girl Effect and many others.

Sarah is a certified member of the Global Association of Applied Behavioural Scientists (GAABS). In 2021 and 2022, Sarah was nominated as Content Creator of the Year by the top behavioural design newsletter, Habit Weekly. Sarah holds a Master of Science degree in Cognitive Psychology from Maastricht University and a Master of Science degree in International Development Studies from Amsterdam University. She currently lives in Oslo, Norway with her husband and two children.