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John Prentice on the TechTO stage

John Prentice

Founder, JointCraft

CannabisTorontoOn TechTO stages since 2018

John Prentice founded Ample Organics in 2014 — the Toronto seed-to-sale software most of Canada's licensed cannabis producers ran on. Akerna bought it for $46M CAD in 2020 and he left months later. In 2021 he founded JointCraft, a Vaughan, Ontario pre-roll and edibles manufacturer, with Amy Prentice and Adam Verk.

On the TechTO stage ×3

First seen on a TechTO stage in 2018. Every TechTO talk is searchable — ask the archive about John

In their words

The only winner in a knife fight is the guy selling knives. So we decided to sell some tools for the trade.

TechTO, Sep 2018 · watch at 1:55

Biggest lesson I've learned along the way: don't compete with your customers, just make software.

TechTO, May 2018 · watch at 3:44

Remember that cannabis is not a cure for anything. If you have a broken arm, smoking a joint isn't going to fix your arm. When we talk about cannabis as medicine, it's not a cure — it's a treatment.

TechTO, Oct 2018 · watch at 3:55
A few quotes can’t cover everything John said on the TechTO stage. 1,570 talks are searchable.Ask about John

Around the web ×2

Quick answers

What is John Prentice known for?

Founding Ample Organics in 2014 and building it into the seed-to-sale software behind most of Canada's licensed cannabis producers. Nasdaq-listed Akerna bought it for $46M CAD in July 2020; he departed that September.

How did John Prentice get into the cannabis industry?

By accident. He was working at a medical devices company in Lindsay, Ontario when, as he told TechTO in 2018, he moved to Toronto for a girl, ended up working with her brother, and helped write the record-keeping section of what became the first licensed-producer application in Canada — the Peace Naturals project, in 2012.

What is JointCraft?

A cannabis contract manufacturer in Vaughan, Ontario that Prentice founded in 2021 with Amy Prentice and Adam Verk. It hand-crafts pre-rolls and also does gummies, vape filling and packaging for other brands, out of the former CannTrust facility.

How many times has John Prentice spoken at TechTO?

Three times, all in 2018, in the run-up to and immediate aftermath of Canadian legalization — on building Ample Organics, on the cannabis industry's medical roots, and on lessons learned.

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Maintained by TechTO · facts sourced and dated · last reviewed Jul 14, 2026