Global Day Zero is for people who’ve got an idea they can’t shake, but who aren’t about to quit a good job to gamble on whether it’s real. We help you design it for more than one market from the very start, across how you build the product, validate it, price it, and talk about it. Not “expand later,” but designed to travel from the first decision, while those decisions are still small and cheap to get right.

Because the cheapest time to design for global isn’t after you’ve won one market. It’s before you’ve locked into any. Once the product, the pricing and the whole company are shaped around one place, going global stops being a decision and becomes a retrofit. And the retrofit is brutal.

Founded by Matt Ainsworth, drawing on 20+ years across product, sales, marketing and tech, much of it spent helping founders across Australia and Japan make exactly this shift.

What we do:

The Global Day Zero Sprint, an 8-week cohort that takes the idea you can’t shake and makes it clear, validated, and designed to travel, enough to know if it’s worth going all in on, before you do.

Programs, workshops and speaking on building global from day zero.

Global Day Zero Weekly, a newsletter scanning Japan, Australia and the wider world for what founders should know.

→ globaldayzero.com

When a founder is ready to take a proven product into a real market, GDZ Japan is the step up. A specialised market-entry program for international tech and AI founders going into Japan, one of the world’s hardest markets to enter. 

Operators, not consultants. No equity, and a sequenced plan built on your own product. Japan’s October 2025 visa reform raised the bar sharply, and that’s exactly the kind of serious, committed founder it’s for.

→ japan.globaldayzero.com

Global Day Zero

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Global Day Zero

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