September 16, 2025
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.
August 12, 2025
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.
July 21, 2025
Our first guest is Alexander Thoma, Head of Digital Assets at PostFinance. In this 30-minute one-on-one, Alexander will share his journey into digital assets and the lessons he’s learned along the way—offering practical takeaways for institutions building their own strategies.
July 15, 2025
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, Managing Director, 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.
June 18, 2025
March 4, 2025
In this webinar, Mark Mayerfeld, CRO at GK8 by Galaxy, and Benjamin Duve, digital assets expert and thought leader, will explore key considerations and emerging trends in MPC technology.
February 26, 2025
GK8’s CTO, Shahar Shamai is joined by Alex Thorn, Galaxy’s Head of Firmwide Research, to break down what really happened during the Bybit hack.
November 27, 2024
September 12, 2024
In this webinar, Thomas will emphasize the transformative potential of tokenization in improving liquidity and accessibility across markets like stablecoins and real estate.
July 22, 2024
Join our panel of blockchain and digital asset top thought leaders from Citi, Deutsche Bank, and BNP Paribas as they share their earned wisdom about implementing holistic digital asset solutions for forward-thinking customers.