Maarten Van Horenbeeck, who is the chief information security officer at Zendesk, has more than 15 years of experience managing security organizations, which includes building the cybersecurity-threat intelligence team at Amazon, and working on the security teams at Google and Microsoft. He is also a former board member and Chairman of the Forum of Incident Response and Security Teams (FIRST).

LinkedIn: https://www.linkedin.com/in/maartenv/

Chaos Computer Club: https://en.wikipedia.org/wiki/Chaos_Computer_Club 

NIST: https://www.nist.gov  

MITRE: https://www.mitre.org 

Rand Institute: https://www.rand.org 

FIRST: https://www.first.org 

Cloud Security Alliance: https://cloudsecurityalliance.org