Mary Teisserenc

Mary Teisserenc is Head of Marketing at IS Decisions, where she works closely with development, product, and sales teams to sharpen the go-to-market (GTM) strategy for UserLock and FileAudit, solutions trusted by thousands of organizations worldwide to secure Active Directory access and monitor file activity. With expertise in content strategy, brand positioning, and go-to-market execution, she focuses on building inbound growth engines, enabling outbound sales, and strengthening IS Decisions’ credibility in the cybersecurity market.

Mary has a proven track record of driving marketing performance with limited resources, orchestrating major product launches, and localizing campaigns across multiple regions and languages. She is passionate about humanizing cybersecurity brands, eliminating jargon from B2B communication, and connecting security solutions to their real-world human impact.