Sullivan brings over 20 years of experience in financial services operations and innovation to the role
New York/London/Hong Kong/Singapore/Sydney, September 30, 2025 ‒ The Depository Trust & Clearing Corporation (DTCC), the premier post-trade market infrastructure for the global financial services industry, today announced the appointment of Thomas Sullivan as Managing Director of DTCC Digital Assets, reporting to Nadine Chakar, Managing Director, Global Head of DTCC Digital Assets. Sullivan is responsible for leading and facilitating the development of DTCC Digital Assets’ strategic objectives, driving critical projects and partnering with clients, regulators and market participants to advance the firm’s leadership in digital innovation.
Sullivan brings to DTCC more than 20 years of experience in securities and banking, across operations and innovation. Previously, he was Head of Business Development for Digital Assets at Société Générale, where he helped establish the firm as a market leader in the issuance, transaction and management of digital-native financial products registered on blockchain. Prior to Société Générale, he was the Head of Broker Dealer Operations at Commerzbank, where he managed securities settlements, securities lending support, and asset servicing.
“As we accelerate DTCC's leadership in digital asset innovation and deliver trusted infrastructure that bridges traditional finance with emerging blockchain ecosystems, we must advance our solutions and seek opportunities to collaborate with clients, regulators, and fintech partners to drive meaningful transformation across the financial landscape,” added Chakar. “Thomas’ appointment reinforces our commitment to doing just that. His proven experience in advancing blockchain solutions for the benefit of the industry, along with his innovative and collaborative approach, will enable us to continue to advance our offerings and ultimately deliver the TradFi / DeFi ecosystem of the future.”
“I am honored to be joining DTCC at such a pivotal time for the industry, when the TradFi and DeFi worlds begin to converge and digital assets take hold across the ecosystem,” said Sullivan. “I am excited to collaborate with my colleagues and across the industry and look forward to seeing what we collectively achieve in the years to come.”
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ABOUT DTCC
With over 50 years of experience, DTCC is the premier post-trade market infrastructure for the global financial services industry. From 20 locations around the world, DTCC, through its subsidiaries, automates, centralizes, and standardizes the processing of financial transactions, mitigating risk, increasing transparency, enhancing performance and driving efficiency for thousands of broker/dealers, custodian banks and asset managers. Industry owned and governed, the firm innovates purposefully, simplifying the complexities of clearing, settlement, asset servicing, transaction processing, trade reporting and data services across asset classes, bringing enhanced resilience and soundness to existing financial markets while advancing the digital asset ecosystem. In 2024, DTCC’s subsidiaries processed securities transactions valued at U.S. $3.7 quadrillion and its depository subsidiary provided custody and asset servicing for securities issues from over 150 countries and territories valued at U.S. $99 trillion. DTCC’s Global Trade Repository service, through locally registered, licensed, or approved trade repositories, processes more than 25 billion messages annually. To learn more, please visit us at www.dtcc.com or connect with us on LinkedIn, X, YouTube, Facebook and Instagram.