Summary
Dan Obrien is a Director of Cybersecurity with over 20 years in IT and 11 years of focused security leadership, currently shaping cyber programs at The Leukemia & Lymphoma Society. He specializes in cloud security, incident response, security operations engineering, vulnerability management, and automation across hybrid and multi-cloud AWS/Azure environments. Comfortable with both hands-on remediation and strategic architecture, he has run security programs for an organization with 1,700 endpoints and mentored junior engineers into more senior roles. Technically fluent across SIEM, SOAR, EDR, IaC and scripting (Bash, PowerShell, Python), he pairs pragmatic engineering with compliance experience including PCI-DSS, SOC 2 and GDPR. Known for turning operational constraints into repeatable automation, he brings nonprofit-scale impact experience—protecting high-value web infrastructure that supports significant online donations.
11 years of coding experience
19 years of employment as a software developer
Network Engineering and Data Communications, Network Engineering and Data Communications at Chubb Institute