Mostapha Tahiri serves as Executive Vice President and Chief Operating Officer at State Street Corporation, a leading financial services and bank holding company. With over 25 years of experience in the financial services industry, Tahiri has built a distinguished career focused on operational excellence, technology transformation, and risk management. He joined State Street in 2015 as Head of Global Operations for the Alpha business, quickly rising through the ranks due to his strategic vision and ability to drive efficiency in complex global environments. Prior to State Street, Tahiri held senior leadership roles at Citigroup and Barclays, where he spearheaded large-scale operational overhauls and digital initiatives that enhanced client servicing and reduced costs by millions. Under Tahiri's leadership, State Street has achieved significant milestones, including the successful implementation of cloud-based platforms and automation technologies that streamlined front-to-back office processes across its global footprint. His efforts have been instrumental in modernizing the firm's infrastructure, improving regulatory compliance, and boosting operational resilience amid evolving market demands. Notably, Tahiri led the integration of key acquisitions and the rollout of State Street's Alpha platform enhancements, resulting in enhanced scalability and client satisfaction scores. As COO, Tahiri oversees State Street's worldwide operations, including technology, data management, and enterprise services for more than 40 countries. He plays a pivotal role in the company's strategic agenda, fostering innovation through partnerships in AI and blockchain while ensuring sustainable growth. Tahiri's commitment to diversity and inclusion has also strengthened State Street's culture, positioning the firm as a leader in responsible operations within the asset management industry.