Sarah Tolfrey

Sarah Tolfrey currently holds the position of Head of Data Operations at Jaja Finance, starting in January 2024. Prior to this role, Sarah was the Head of Data at Zilch from August 2021 to January 2024, where responsibilities included data strategy, data analytics, analytics engineering, and data science. Sarah also served as the Operational Information Manager for Business Intelligence at NEST from July 2020 to August 2021, focusing on business intelligence initiatives. Earlier experience includes roles as a Mathematics Teacher at Radnor House Sevenoaks Limited, Engagement Manager at ThreatMetrix, Senior Data Scientist at Blue Motor Finance Ltd, and various analyst positions at Deutsche Bank, Schroder Salomon Smith Barney, Bank of Tokyo-Mitsubishi Limited, and Hong Kong and Shanghai Banking Corporation. Sarah earned a Bachelor’s Degree in Mathematics from the University of Greenwich, and has prior education from The Open University and Gravesend Grammar School for Girls.