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Matt Loszak

Co-founder & CEO, Aalo Atomics, Humi

HR techToronto

Matt Loszak was co-founder and CTO of Humi, a Toronto company that put HR, payroll and benefits in one platform for Canadian small and mid-sized businesses. Loszak started Humi with Kevin Kliman in 2016, going through Y Combinator's Winter 2017 batch; Employment Hero acquired Humi in January 2025. Loszak now leads Aalo Atomics, a nuclear-reactor manufacturing startup, as CEO.

Matt hasn’t spoken on a TechTO, TechVancouver or TechWaterloo stage. This profile is here because Matt co-founded Humi, which appears in 2 talks in the archive.

Around the web ×2

Podcast
Atomic Show #328 – Matt Loszak, CEO AaloAtomic Insights
2025
Podcast
Inside the Nuclear Race for Data Center Energy with Aalo Atomics CEO Matt LoszakData Center Frontier
2025

Quick answers

Who founded Humi?

BetaKit reported on 2024-08-23 that Matt Loszak and Kevin Kliman co-founded Humi in 2016; Y Combinator's own company page, checked 2026-09-25, lists Loszak as 'Founder/CTO'.

What happened to Humi?

BetaKit reported in January 2025 that Employment Hero acquired Humi for a reported $155M CAD, with Kliman staying on to lead the Canadian business; Humi had gone through Y Combinator's Winter 2017 batch.

What is Matt Loszak doing now?

Aalo Atomics' company page, checked 2026-09-25, lists Loszak as 'CEO & Cofounder' and credits him with having 'founded Humi with a 9-figure exit.'

What does Aalo Atomics do?

Data Center Frontier's podcast, published 2025-02-25, describes Aalo Atomics as building factory-manufactured modular nuclear reactors, with Loszak discussing the company's approach to data-center power demand.

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Maintained by TechTO · facts sourced and dated · last reviewed Sep 25, 2026