Speaker details

Biography

John Siena, based in London, is Associate General Counsel, Co-Head Global Regulatory Strategy, for Brown Brothers Harriman (BBH), a New York-headquartered financial services provider with operations world-wide. John recently for many years has lectured on financial services law at Leiden University, The Netherlands, and King’s College, London, well as in Ireland’s Certified Investment Fund Director Institute. John recently has co-written the book, Financial Collateral, published by Oxford University Press (2020), and contributed to The Alternative Investment Fund Managers Directive, Wolters Kluwer, 3rd Ed. (2020). John chairs the Association of Global Custodians - European Focus Committee (AGC-EFC) and in this capacity represents the custody industry to EU, national and global competent authorities and supervisory bodies in connection with all post-trade and related matters. John sits on cross-industry steering and working groups as well as the European Central Bank’s new Corporate Events Group (CEG) and the American Bar Association’s Business Law Section Task Force on Securities Holding Infrastructure. Recent focus has been particularly on digital ledger technology and cryptoasset regulation and law on the post-trade sector in the EU, UK the U.S. and Japan. John formerly was Head of Asia Legal at BBH; Head of External and Regulatory Affairs, EMEA, at BNY Mellon; Assistant General Counsel, EMEA, at Brown Brothers Harriman; and Senior Legal Counsel at The Northern Trust Company. John is admitted to the Illinois Bar (1988).