translate English to French: Before joining CIBC, Ms. Tessier held senior positions at software and information technology companies such as Oracle Canada, Enghouse Systems Limited, AT&T Canada, and Nortel.
Avant de se joindre à la CIBC, Mme Tessier occupait des postes de cadre au sein d'entreprises de technologie de l'information et de logiciels, telles Oracle Canada, Enghouse Systems Limited, AT&T Canada et Nortel.