TMX Group announced that David Arnold, a financial services industry leader and 20-year veteran of CIBC has been named as Chief Financial Officer (CFO). Mr. Arnold will join TMX Group effective June 1, 2021. Mr. Arnold joins TMX Group from CIBC, where he most recently served as Executive Vice President, Enterprise Programs, Technology and Operations. In this role, he led transformation and simplification efforts across the CIBC Group of Companies, including Client Relationship Management, Payments Modernization, Enterprise Programs and Delivery Excellence.