Eustathios Triantafellou is the Commercial Lead for KY3P® data and regulatory initiatives at S&P Global Market Intelligence. He joined S&P Global in 2023 after over 10 years at the Prudential Regulation Authority - part of the Bank of England - where he led the Integrated Operational Risk & Resilience Unit in the Supervisory Risk Specialists Directorate.

He has experience in leading multidisciplinary teams across financial and operational resilience responsible for policy design and implementation, which includes the UK's Operational Resilience policy. In addition, Eustathios ran the PRA's risk modelling and analytics teams having contributed to the development of the first UK concurrent stress test and having led numerous modelling and data initiatives for supervisory and financial stability purposes. He has in-depth knowledge to regulation, central banking, retail, and wholesale banking having worked in Europe and North America.

Eustathios holds an MBA from the University of Exeter (Exeter, UK), a Master's degree in Finance and Econometrics from Concordia University (Montreal, Canada) following an honours Economics Bachelor's degree from Carleton University (Ottawa, Canada).