Hi, I’m Charles Green
Over the last decade, I worked in Japan’s fintech and tech scene, starting as a hands-on engineer and eventually leading teams as a CTO and CISO.
In 2019, after burning out from a high-paying but high-stress role, I redesigned my life around freedom, autonomy, and meaningful work.
Now, I’m focused on Growth Engineering—applying a technical, data-driven mindset to build smarter onboarding, activation, and retention systems for SaaS and product-led businesses.
I also run multiple companies and share what I learn so others can build lean, valuable businesses with clarity, not chaos.
Let’s Connect
Whether you’re running a startup, exploring product-led growth, or building in public, I’d love to connect.
Reach out if you want to chat on a podcast, invite me to speak, or jam on growth systems.
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