Company record
Rubrik CISO: Michael Mestrovich
The current Chief Information Security Officer of Rubrik is Michael Mestrovich, per rubrik.com (company's own site).
What Rubrik tells the SEC
Its fiscal 2026 Form 10-K, filed March 19, 2026, carries an Item 1C cybersecurity disclosure that describes a Chief Information Security Officer, with oversight by the Cybersecurity committee. Read the section verbatim or the filing on sec.gov. Read by software and verified against the filing text; a filing describes governance as of its date, not today's seat.
Roster record last verified October 14, 2026 · Fortune 31
Frequently asked questions
- Who is the CISO of Rubrik?
- The current Chief Information Security Officer of Rubrik is Michael Mestrovich, per rubrik.com (company's own site).
- When did CISO Tribune verify this seat?
- CISO Tribune verified this seat on October 14, 2026 from rubrik.com (company's own site), as part of its roster of named security leaders.
This record reflects moves verified and tracked by CISO Tribune; it begins in 2026 and is not a complete historical roster. Spot an error or a move we missed? Tell the desk.
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