CISO Tribune

Executive record

Leslie Nielsen

Leslie Nielsen is Chief Information Security Officer at Mimecast, per the appointment announced week of September 1, 2025.

1 tracked move on the Wire

Prior roles noted in the record

  • SVP and CISO at Klaviyo · per the cited source on the move record

Tracked record

This record begins with CISO Tribune's tracking in 2026 and is not a complete career history. Corrections welcome via the desk.