Sheridan has worked in HR for over 20 years and first worked in the NHS in the early 90s.
Since that time Sheridan has worked predominantly in the commercial sector as HR Director for a number of well-known organisations, including, Argos, Somerfield Stores (now Co-op supermarket chain, Hartwell Motors and First Great Western Trains. She has also worked in the private health care sector in recent years.
Sheridan is chair of Governors at her local school.