A teenager, who became a viral star when he shared a photo of himself taking a sales call in his school toilet, has raised $1.4m.

Liam Fuller, now aged 18, is the co-founder of an AI startup called Source, which uses agentic AI to automate stock purchasing from retailers.

The Dublin-based startup has just raised $1.4m in pre-seed funding, led by Square Peg, which is one of Australia鈥檚 top VC funds.

The teenager had previously made headlines when a photo he shared on LinkedIn of himself sitting on a school toilet, laptop out, taking a work call for his Shopify app CartShare in between his maths and English class, went viral.

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The young entrepreneur got suspended for the LinkedIn post and dropped out of high school completely to focus on his burgeoning business career 鈥 which is how he secured the $1.4m investment.

Writing on LinkedIn he explained: 鈥淚t started back in March, as I boarded my flight to Australia, to see my grandparents for the first time in 10 years on a holiday.

鈥淚 knew I wanted to meet some founders聽 and investors while I was in the country so I logged onto LinkedIn, and started emailing.

鈥淢ost never responded but a few did. Lots of no’s, and a few yesses later… I had an active round.

鈥淚 decided to cold email Paul Bassat, (the co-founder of venture capital firm) Square Peg for advice on the round.

Liam Fuller became a viral star when he shared a photo of himself taking a sales call on his school toilet,

Liam Fuller became a viral star when he shared a photo of himself taking a sales call on his school toilet

鈥淎 day later, I took the train three hours down from my grandparents鈥 house to meet Paul for 20 minutes in Sydney.

鈥淭owards the end of our conversation I asked Paul if he’d be interested in angel investing in Source.

鈥淗e declined. Curious, I asked why? He explained to me he typically invests through the fund, but I was early so he said he’d help make some introductions to help with the round.

鈥淎nd two days later, to my surprise, I was in a meeting with the entire investment team.

鈥淚t was probably the most nerve-wrecking thing I鈥檝e ever done in my life 鈥 and I honestly, I had no clue how it went.

鈥淎nd 20 minutes later… I got a call from Paul. He wanted to lead my round!

鈥淚 couldn鈥檛 be happier to have such an amazing group of investors behind me from across the globe with such a high conviction in not only the current vision for Source but for myself as a founder. It鈥檚 incredible.

鈥淚鈥檓 extremely grateful for the people who helped me along the way, with intros and their time with zero expectations of return. This is just the start.鈥

Paul Bassat said: 鈥淎 lot of attention about the round is (understandably) on Liam鈥檚 age. What he and Yoan are achieving at such an early stage in their career鈥檚 is remarkable. We didn鈥檛 back Liam because he was 17 but because he is an exceptional founder.

鈥淪ource is solving a critical problem for small and medium sized retailers that has enabled been by the rise of generative AI. Procurement sucks for retailers and Source makes an enormous difference to the retailer鈥檚 experience.鈥

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A Square Peg spokesman said: 鈥淲e’re thrilled to have led Source鈥檚 $1.4 million pre-seed round.聽Source is an agentic AI procurement platform for retailers on a mission to address the estimated $1 trillion annual cost of out-of-stock inventory.

鈥淪ource鈥檚 engineering is led from Paris, France, by co-founder Yoan Gabison. The injection of capital will expand engineering and fund US pilots ahead of Liam’s move to Silicon Valley later this year.

鈥淲e’re not just excited by Liam and Yoan’s current vision for Source; we’re excited by their ability to navigate and adapt as the business evolves.鈥

Founded in 2024 and headquartered in Dublin, the startup is a Delaware C-Corp, registered under QuickFind AI, and trading under the name Source.