ecosystem / people / randy-rosenberg
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Randy Rosenberg

CTO and Co-Founder, Firmex

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Randy Rosenberg co-founded Firmex, the virtual data room company founded in Toronto in 2006, and is listed as its CTO and co-founder on the company's current team page. Firmex's 2011 leadership page said Rosenberg led development and quality assurance, and had earlier co-founded V51 Consulting, where Rosenberg designed the Lexicon application development environment.

Randy hasn’t spoken on a TechTO, TechVancouver or TechWaterloo stage. This profile is here because Randy co-founded Firmex, which appears in 1 talk in the archive.

Quick answers

Who founded Firmex?

Firmex's Who We Are page, checked 2026-09-25, lists Randy Rosenberg as CTO and Co-Founder and says the company was founded in Toronto, Canada in 2006. Firmex's archived 2011 leadership page names Rosenberg as CTO and co-founder alongside CEO Joel Lessem and COO Robert Wilder.

What does Rosenberg do at Firmex?

Firmex's archived leadership page (2011) says that as chief technology officer, Rosenberg leads the Firmex development and quality assurance teams. The company's current Who We Are page, checked 2026-09-25, still lists Rosenberg as CTO and Co-Founder.

What did Rosenberg do before Firmex?

Firmex's archived leadership page (2011) says Rosenberg co-founded V51 Consulting Inc. before Firmex and designed Lexicon, an application development environment. An earlier archived Firmex page (2009) names that company Version5.1 Inc.

Where did Rosenberg study?

Firmex's archived leadership page (2011) says Rosenberg attended the University of Waterloo, the University of Toronto and Ryerson University, earning a Bachelor of Arts studying media arts, physics and math.

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