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Marty Kratky-Katz on the TechTO stage

Marty Kratky-Katz

Founder; CEO until the 2022 acquisition, Blockthrough

Ad TechTorontoOn TechTO stages since 2021

Marty Kratky-Katz founded Blockthrough in Toronto, the ad-tech company that pays publishers back for readers who run ad blockers by serving those readers Acceptable Ads instead. He ran it as CEO until eyeo, the maker of Adblock Plus, acquired it in November 2022. It was his third startup; he now invests as an angel.

On the TechTO stage ×1

First seen on the TechTO stage in 2021. Every talk is searchable — ask the archive about Marty

In their words

the vast majority of us are not militant ad haters, we're just regular old users who are really fed up with a handful of obnoxious experiences on the web

TechTO Founders & Funding, Dec 2021 · watch at 5:21

we changed our approach from trying to circumvent the ad blockers to instead trying to build a relationship with them and solving the problem collaboratively

TechTO Founders & Funding, Dec 2021 · watch at 7:54

we had something like 29 days of cash left in the bank, so this was the hail mary pass, the last stand

TechTO Founders & Funding, Dec 2021 · watch at 8:52
A few quotes can’t cover everything Marty said on the TechTO stage. 1,600+ talks are searchable.Ask about Marty

Around the web ×2

Quick answers

Who is Marty Kratky-Katz?

Founder of Blockthrough, the Toronto ad-tech company acquired by eyeo — the German maker of Adblock Plus — in November 2022. He led it as CEO through the sale, and describes Blockthrough as his third startup after two that did not work.

What did he say on the TechTO stage?

On TechTO's Founders & Funding series in December 2021, alongside investor and board member Roy Pereira, he described two failed years building ad-block circumvention software, the pivot to Acceptable Ads with 29 days of cash left, and going from zero to $1 million in annual revenue in under seven months after the March 2018 relaunch.

How big did Blockthrough get?

In the December 2021 talk he said the company was at a run rate above $10 million net a year with 42 people, raised on about $2 million total, mostly from angels, and had recently been named the eleventh fastest-growing company in Canada by The Globe and Mail.

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Maintained by TechTO · facts sourced and dated · last reviewed Sep 7, 2026