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1156: From Turnaround CFO to Enterprise-Scale Strategist | Kevin Rubin, CFO, Zscaler

When Kevin Rubin arrived at Zscaler in May 2025, he joined an established organization following the retirement of the company’s longtime CFO, taking responsibility for continuing the work of a finance leader who had already built a strong foundation. Rubin describes stepping into a business with scale, experienced leadership, and a customer base that included some of the world’s largest enterprises, he tells us.

In explaining what Zscaler does, Rubin walks through the company’s core idea: zero trust. Traditional cybersecurity, he says, relied on network-centric “castles and moats,” requiring…

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