At Waterfall, Andrew leads a team of experts who work with the world's most secure industrial enterprises. Before Waterfall, Andrew led the development of high-end industrial control system products at Hewlett-Packard, of IT/OT middleware products at Agilent Technologies, and of the world's first industrial SIEM at Industrial Defender. Andrew is the author of two textbooks on industrial security and a co-author of the Industrial Internet Consortium Security Framework. He co-hosts the Industrial Security Podcast and contributes regularly to industrial security standards and best-practice guidance.