Marc Renell

Andreas Sack is Leitung Digital Assets Infrastruktur at DekaBank Deutsche Girozentrale, a position he assumed in August 2025. In this role, he leads the Digital Assets Infrastructure team and is responsible for the strategic development of digital asset infrastructure, implementing regulatory-compliant solutions for crypto custody and on-chain transactions, and coordinating projects to integrate DLT technologies into internal banking processes. He also serves as an interface to external partners including FinTechs, custodians, and blockchain networks.

From October 2019 to August 2025, Sack held the role of Product Owner Digital Assets Infrastructure at DekaBank, where he was responsible for building out the bank's digital asset infrastructure from 2020 onwards. This included licensed financial services covering crypto custody and crypto securities register management (Kryptoverwahrung and Krypto-Wertpapierregisterführung), as well as contributing to DekaBank's digital assets strategy and a licence extension application. Prior to moving into digital assets, he held roles within DekaBank in cost management, procurement, and lean management, spanning from 2010 to 2019. Before joining DekaBank, he worked as a consultant at Deutsche Business Consulting GmbH from October 2008 to July 2010. He holds a degree in industrial engineering (Wirtschaftsingenieurwesen).

Matteo Henrizi is a Digital Assets Blockchain Specialist at DekaBank Deutsche Girozentrale in Frankfurt, a position he has held since February 2024 within the Product department. Prior to this role, he completed an 18-month trainee programme at DekaBank focused on Digital Multichannel Management and Blockchain, running from August 2022 to February 2024. Alongside his work at DekaBank, he serves as a lecturer at the Sparkassenakademie of Sparkassenverband Rheinland-Pfalz in Mainz, where he has taught and examined the subject of economics (Volkswirtschaftslehre) as part of the Bankfachwirt S/ET programme since December 2020.

Earlier in his career, Henrizi worked as a working student in portfolio management at CORESTATE Capital Group for six months between September 2018 and March 2019. He holds a Master's degree in Economics from Justus-Liebig-Universität Giessen, completed between 2019 and 2022, with a thesis examining the impact of European monetary policy on cryptocurrency prices through empirical analysis.

Michael Cyrus is Head of Collateral Trading and FX at DekaBank Deutsche Girozentrale, based in Frankfurt. His mandate covers Fixed Income Repo, Securities Lending, Equity Finance, Structured Collateralised Solutions, and FX. He has held a role at DekaBank since January 2011, initially as Head of Short Term Products before moving into his current position. He also serves as Chairman of the Repo Board Advisory Committee at Deutsche Börse, a role he has held since November 2019, and is a lecturer at Frankfurt School of Finance & Management, where he teaches Trading and Sales.

Prior to DekaBank, Cyrus was global Co-Head of Short Term Markets and Financing at RBS London, with responsibility for Repo, collateralised Funding, FX, and Interest Rate Prime and ETD. Before RBS, he was Head of Credit Financing and Collateral Trading at Dresdner Bank in London, focusing on Emerging Market Repo, Equity Finance, Tri-Party Repo, and synthetic financing in fixed income and credit markets. He began his career at Dresdner Bank in Frankfurt. He holds a degree in economics from the University of Hamburg and is a regular speaker at conferences and an occasional writer on collateral markets and regulation.

Thorben Lüthge is Managing Director and Head of Markets at DekaBank, leading capital markets and digital transformation initiatives with extensive expertise in structuring, trading, and market strategy.