Isabelle Guis

Based in the US for over two decades, Isabelle Guis is the Chief Marketing Officer of Temenos overseeing marketing communications, product and solutions marketing, and go-to-market. 

 Before Temenos, Isabelle was the global CMO and CEO for North America at Brevo, a CRM platform. During her time in B2B technology marketing, she has gained extensive experience spearheading multiple go-to-market growth strategies and overseeing product marketing and management for global SaaS organizations. Isabelle was the CMO of Commvault, a public data protection company, and has enjoyed leadership roles at Salesforce, Egnyte, EMC, Avaya, Cisco Systems, and Nortel Networks. She was voted one of the Top 100 most influential B2B tech marketers in North America in 2016 and was nominated Foreign Trade Advisor to the French government in July 2024. Isabelle also shares her expertise and passion for Marketing and Business Strategy as an adjunct professor for graduate students at Santa Clara University.

Isabelle holds a Master of Science in Electrical Engineering and Computer Science from Supelec (France), as well as an MBA from Harvard Business School.