[1] In an interview with the American Heart Association, Williams said that he felt "too African in England, and too English in Africa,", so instead moved to the United States.

It was whilst working at the Harlem Hospital Center that he recognised the same public health disconnect that he had seen in Lagos related to societal inequities.

[3] After earning his graduate degree, Williams started working with the National Stroke Association (NSA) and community groups in Harlem with whom he looked to establish trusted, evidence-based public health awareness programmes.

[12] During the COVID-19 pandemic Williams joined Doug E. Fresh to create a series of videos to encourage young people to wash their hands for twenty seconds or more.

[15] In 2018 he was honoured by the American Heart Association's Northeast Cerebrovascular Consortium for his work on stroke disparities in underserved communities.