By Sam Irvine
Publication Date: 2026-04-29 00:00:00
Kelly Bayer Rosmarin understands perhaps better than any other executive in the country what it’s like to lead an organization where a technical malfunction can quickly escalate into a national emergency.
As the former CEO of Optus, Bayer Rosmarin’s tenure was marked by two of the most significant Australian corporate crises in recent history. The first in 2022 was the theft of the personal information of millions of current and former customers in a major cyberattack.
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