Bil Harmer

Bil Harmer is a seasoned security professional with over 25 years of experience in leading security programs for startups, governments, and global financial institutions. They are the Founder and CEO of Killswitch Advisory, where they help high-growth companies implement practical, founder-friendly security programs. Bil has held senior security leadership roles at various organizations, including SAP/SuccessFactors and Zscaler, and has been a sought-after speaker and advisor, sharing expertise at prominent events across North America and Europe. Their contributions have influenced significant security methodologies, including a pioneering hybrid SAS70/ISO approach for modern SaaS security audits. Currently, Bil serves in advisory roles for several companies and continues to shape the security landscape.