OSTTRA
John Stewart has a diverse work experience spanning over three decades. John currently holds the position of Co-Chief Executive Officer at Osttra since September 2021. Prior to this, they worked at IHS Markit | Technology as a Senior Vice President from November 2016 to September 2021. John has also held various roles at UBS, including Head of Transformation, UK Group COO, Program Director, and Head of Group Data Services from 2012 to 2016. John served as a Board Member at Euroclear from 2008 to 2013. Before that, John worked at UBS Investment Bank as the Global Head of Operations and Head of Equity Operations. John started their career at JPMorgan Chase & Co. and J.P. Morgan, where they held roles related to credit markets, middle office, and equity derivatives. John began their professional journey as a Chartered Accountant at Arthur Andersen & Co. in 1990.
John Stewart attended the University of Oxford from 1987 to 1990, where they earned their Master of Arts (M.A.) degree in History.
OSTTRA
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Welcome to the home of MarkitServ, Traiana, TriOptima and Reset. OSTTRA brings together the expertise, processes and networks to solve the post-trade challenges of the global financial markets. We strengthen the post-trade infrastructure and ecosystem with robust and progressive end-to-end solutions and unrivaled connectivity. We sit at the heart of post-trade and the centre of the post-trade community for over 20 years. Our specialist solutions continue to empower market participants to Connect, Process, Mitigate, Reconcile, Optimise and address Compliance across all OTC asset classes. Together with our customers we are streamlining, securing and shaping the future of post-trade innovation. To contact an OSTTRA subject-matter expert, please send an email request to Contactus@osttra.com