Sarah John is Chief Cashier and Director of Notes at the Bank of England, responsible for the issuance and circulation of banknotes. Sarah joined the Bank in 1999 after completing a degree in economics at Cambridge. She worked in a variety of risk management roles before moving to the front office, where she was heavily involved in reforming the Bank’s operations during the financial crisis. Most recently, she was Head of Sterling Markets Division at the Bank, responsible for the design and implementation of the Bank’s operations in Sterling markets. Sarah has also worked in the Bank’s Financial Stability area, focusing on European macro-prudential policy issues. Sarah John took up the role of Chief Cashier and Director of Notes on 1 June 2018. Sarah’s signature will appear on the new £20 polymer note which will be issued in 2020.