Sam Wierema is a seasoned technology leader and current CTO based in Amsterdam with 15 years of experience building and scaling engineering organizations and high-throughput platforms. He has led teams of 35+ across infrastructure, billing, QA and reliability functions, architecting systems capable of supporting billions of messages and ensuring high availability at scale. Known for fostering trust and autonomy, Sam blends hands-on product and platform engineering—having built MessageBird’s Voice product and Verify service—with strategic hiring and organizational design. His background spans startups, conferences and web development, reflecting a mix of technical pragmatism and community building (creator of IPAs & APIs and organizer roles). Pragmatic and people-focused, he pairs a communications degree with deep operational experience to translate complex technical challenges into reliable, business-aligned outcomes.
14 years of coding experience
16 years of employment as a software developer
Bachelor of Arts Communication and Information Sciences, Bachelor of Arts Communication and Information Sciences at Utrecht University
Creative Development / Dramaturgie, Creative Development / Dramaturgie at Professional School of the Arts Utrecht
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Sam Wierema - Chief Technology Officer at TrueTribe