Join us for another episode of Joint Custody: exclusive one-on-one conversations with the leaders driving blockchain innovation and digital asset adoption across financial institutions.

In this 30-minute episode, host Benjamin Duve speaks with Sabih Behzad, Head of Digital Assets & Currencies Transformation at Deutsche Bank, and a passionate advocate for all things blockchain and DLT. Sabih shares his personal journey in leading this major tier 1 traditional bank toward innovation and digital asset adoption.

In the third episode of Joint Custody – The Digital Asset Dialogues, Benjamin Duve will host Matthieu Herbeau, CBDC Advisor at Banque de France, for a forward-looking conversation on wholesale CBDCs and the future of capital markets.

Matthieu will share his personal digital asset journey, offering insights into Banque de France’s CBDC initiative. The discussion will focus on the “unified ledger” concept, the challenges these frameworks aim to address, and their potential to drive broader innovation across the financial ecosystem.

In this episode of Joint Custody, host Benjamin Duve sits down with Kelly Mathieson, Chief Business Development Officer at Digital Asset, for a conversation that spans decades of market evolution and the future of digital finance.

Kelly’s journey is nothing short of extraordinary – from shaping post-crisis reforms at J.P. Morgan to helping pioneer the Canton Network, the first privacy-enabled, interoperable layer-1 blockchain built for regulated financial markets. With a front-row seat to how infrastructure shapes trust, Kelly unpacks what it really takes to connect fragmented markets and why real-world use cases will define the next chapter of tokenized finance.

In this episode of Joint Custody, host Benjamin Duve is joined by Deborah Querub, Global Head of the Digital Asset Group for Citi Global Wealth Investments, for a conversation about how one of the world’s largest financial institutions is approaching the future of digital assets.

Deborah brings a wealth of experience from her time at Citi and Goldman Sachs, where she helped lead the electronification of foreign exchange markets, to her current role spearheading Citi’s efforts across blockchain, crypto, NFTs, DeFi, stablecoins, and central bank digital currencies. With a mandate that bridges clients, regulators, and industry partners, she offers a unique perspective on how innovation in digital finance is being shaped by both market demand and institutional guardrails.

In this episode of Joint Custody, host Benjamin Duve is joined by Zahid Mustafa, Managing Director and Head of Digital Custody and Cash Product Development at State Street, for a conversation that blends his personal journey with the future of digital assets.

From his early career in London to leading global digital custody and cash initiatives from Singapore, Zahid has seen firsthand how the digital asset landscape has evolved across markets. Today, he oversees a worldwide team driving State Street’s strategy in tokenization, custody, and digital cash – areas that recently earned the firm Digital Asset Partnership of the Year at the 2025 Global Custodian Awards.

Zahid shares his own perspective on what it means to build partnerships, innovate responsibly, and navigate the opportunities and challenges of digital assets at scale.

This series features candid conversations with the leaders driving blockchain innovation and digital asset adoption across financial institutions. Each episode offers strategic insights and a personal look into how these experts are navigating this rapidly evolving space.

Our first guest is Alexander Thoma, Head of Digital Assets at PostFinance.

In this 30-minute one-on-one, Alexander shares his journey into digital assets and the lessons he's learned along the way, offering practical takeaways for institutions building their own strategies.