Anyier was born in a refugee camp in Kenya and moved to Australia at the age of ten years old. Overcoming the adversities of her childhood and the challenge of moving across the world to a country where she knew no one and didn't speak the language. Anyier holds a Bachelor of Arts, Major in Development Studies, Sociology and Anthropology, Master's in Development Studies (Refugees and Displacement) at the University of New South Wales (UNSW) and currently undertaking her PhD at Western Sydney University (WSU).
She is currently employed at Community Migrant Resource Centre (CMRC) as a Youth Transition Support Worker, where she works primarily with newly arrived refugee youth to connect them with education, sporting and employment opportunities, as well as connecting them to local communities. She is also the chair of the Australian National Committee on Refugee Women (ANCORW).
Her greatest achievement is being the Founder and CEO of the social enterprise Miss Sahara Pageant and Anyier Model Management which both aim to build social cohesion within the African communities and the wider Australian communities. Through annual beauty pageants, they aim to increase diversity in the Australian beauty and modelling industry as well as bringing awareness to the under-representation of African and minority groups in Australia.