CISO Tribune

Executive record

David Cook

CISO Tribune executive record: David Cook, CISO at Sequoia

Career profile: David Cook on CISO Spotlights ↗

David Cook was named Chief Information Security Officer at Sequoia. The appointment was announced on January 18, 2023, per PR Newswire.

Before the appointment: a security leadership role at Databricks, per the same source.

The record holds no later verification of the seat.

1 tracked move on the Wire · Updated

Background

David Cook's professional background as Sequoia newsroom ↗ states it, read November 10, 2026.

David Cook is the Chief Information Security Officer at Sequoia. In that role, Cook is responsible for building a technology-rich security program that protects Sequoia and serves as a company differentiator.

Cook wrote a Sequoia blog post in the Risk Management category, dated February 17, 2023, announcing the company's bug bounty program. As Sequoia's CISO, he brought the private Bug Bounty program into the company's security portfolio. Cook wrote that he had shared this strategy at other companies.

Career timeline

Every move the record holds for David Cook, newest first, with the earlier roles the announcements name.

  1. · Appointment

    Named Chief Information Security Officer at Sequoia

    Source: PR Newswire (company announcement) ↗ · Move record

  2. Before January 2023· Earlier role

    Security leadership role at Databricks

    Named in the announcement of the Sequoia appointment · Source: PR Newswire (company announcement) ↗

The company: Sequoia

Company record
Who runs security at Sequoia: 1 confirmed move on the record

Appointed in the same period

Other security chiefs in Professional Services whose appointment was announced within 90 days of David Cook's, nearest first. The Professional Services bench

Record facts

Moves on the record
1 confirmed move, each with its source
On the record since
September 30, 2026

Questions about David Cook

When did David Cook become CISO of Sequoia?
The appointment was announced on January 18, 2023, per PR Newswire. The record holds the announcement, not a start date.
Is David Cook still the CISO of Sequoia?
The newest source the record holds for this seat is the appointment announced on January 18, 2023. It holds no later verification, so it does not state who holds the seat today.
Where did David Cook work before Sequoia?
Before the appointment, David Cook was in a security leadership role at Databricks, according to the announcement (PR Newswire).

Sources

  1. 1.PR Newswire (company announcement) ↗: the appointment at Sequoia, January 18, 2023
  2. 2.Sequoia newsroom ↗: professional background, read November 10, 2026
  3. 3.CISO Spotlights career profile ↗: a fuller career profile on a sister site

This record begins with CISO Tribune's tracking in 2026.

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