Marcus Fontoura has spent more than 20 years in big tech companies and has been at the forefront of industry-shaping technology innovations, from computational advertising to cloud computing to fintech. He is currently a Technical Fellow at Microsoft, where he works on cloud computing infrastructure. His new book, A Platform Mindset: Building a Culture of Collaboration (8080 Books, Feb. 11, 2025), shares how companies can expand and scale processes to bring about competitive advantages. Learn more at fontoura.org.
David W. Schropfer is a technology executive, author, and speaker with deep expertise in cybersecurity, artificial intelligence, and quantum computing. He currently serves as Executive Vice President of Operations at DomainSkate, where he leads growth for an AI-driven cybersecurity threat intelligence platform.
As host of the DIY Cyber Guy podcast, David has conducted hundreds of interviews with global experts, making complex topics like ransomware, AI, and quantum risk accessible to business leaders and consumers. He has also moderated panels and delivered keynotes at major industry events, known for translating emerging technologies into actionable insights.
David’s entrepreneurial track record includes founding AnchorID (SAFE), a patented zero-trust mobile security platform. He previously launched one of the first SaaS cloud products at SoftZoo.com, grew global telecom revenue at IDT, and advised Fortune 500 companies on mobile commerce and payments with The Luciano Group.
He is the author of several books, including Digital Habits and The SmartPhone Wallet, which became an Amazon #1 bestseller in its category. David holds a Master of Business Administration from the University of Miami and a Bachelor of Arts from Boston College.
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DIY CyberGuy with David W. Schropfer 
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