Dear colleagues, the next European Summer School in Financial Mathematics will be hosted by the Delft Institute of Applied Mathematics, TU Delft, in the week 4-8 September 2023. The main theme of the summer school will be Mathematics of FinTech and the following topics will be addressed: Hansjörg Albrecher: Blockchains and Decentralized Insurance Martin Kroll: Introduction to Differential Privacy Kees Oosterlee: Machine Learning for Anti-Money Laundering and Deep Portfolio Optimisation in Finance Jörg Osterrieder: Artificial Intelligence and Deep Reinforcement Learning in Finance More information about the summer school is available in the following webpage https://www.tudelft.nl/evenementen/2023/ewi/diam/finance-summer-school-2023 <https://www.tudelft.nl/evenementen/2023/ewi/diam/finance-summer-school-2023>. The registration form is available via the following link: https://www.aanmelder.nl/financial_mathematics2023/registration <https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.aanmelder.nl%2Ffinancial_mathematics2023%2Fregistration&data=05%7C01%7C%7C61ae6a8ba0504200de3f08db52c49acb%7Ccc7df24760ce4a0f9d75704cf60efc64%7C1%7C0%7C638194776594237107%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=rheO4zo8NfA1TYp8yFYBHGwLMqzYqZngRLMGOkWdHEc%3D&reserved=0> Thank you, and we look forward to welcoming you in Delft! Best regards, Elisa Perrone on behalf of the organizing committee