John Mavriyannakis

John Mavriyannakis is currently the Financial Services Operate Lead Partner at Deloitte Canada, leveraging over 25 years of experience in outsourcing across IT and business functions. They have held key leadership roles in various industries and regions, including Canada, the US, UK, Europe, Japan, and Australia. John previously served as Chief Strategy and Technology Officer for Supply Ontario, where they managed a $31 billion supply chain during the COVID-19 pandemic. They also contributed as a Partner at Maverix Private Equity, leading initiatives for operational growth. In addition to their professional pursuits, John is the President of the Hellenic Heritage Foundation, dedicated to promoting Hellenic culture within the diaspora. John holds an Honors BSc and a Master of Science in Physics from the University of Toronto.