Complex sentence: She was born in Washington, D.C., grew up in Virginia and read history at the University of London, after which she worked as a nurse and as the director of a local branch of the mental health charity Mind.
Split into simpler sentences: She was born in Washington, D.C., grew up in Virginia and read history at the University of London. Afterwards, she worked as a nurse and as the director of a local branch of the mental health charity Mind.