Peter Frost trained as a health economist and worked in the University of Brighton teaching students courses on the economics and health and social care for undergraduate and postgraduate degrees.
In 1990 he was appointed as founder director of the Graduate Programme in Health and Social Sciences at the University of Brighton. He continued in this role developing an overall modular programme for post graduate awards relating to health and social care.
Following retirement, he returned part time to the Institute of Post Graduate Medicine to help support students undertaking dissertations, mostly in Public Health. He continues to work part time for the Division of Medical Education.