![Marc Lueck Marc Lueck](http://www.zscaler.com/cxorevolutionaries/sites/default/files/cxo/Marc_0.jpg)
I prefer to see security within an organization holistically. Security cannot be "done" to a company, it has to be built and nourished from within.
Transformation Journey
Marc is a senior security practitioner with over 20 years of experience crossing multiple industry sectors, from financial services to publishing. With a strong technical background, Marc has spent the past ten years leading security improvement programs for the likes of Pearson, T-Systems, and Symantec. He is also an advisory board member of ClubCISO, a security leadership peer group. He has spent three years working as a consulting CISO for various organizations and has a very credible approach to senior security management. He has successfully taken organizations through certifications and has in-depth PCI-DSS and GDPR advisory and practical experience.
By this REvolutionary
![Zscaler Zscaler](http://www.zscaler.com/cxorevolutionaries/sites/default/files/organization-logo/zscaler%20horizontal%402x_0.png)