Sean Deasy

Observer
DISC Type : ci

Director of Engineering at CrowdStrike

Ireland

Overview

Sean Deasy is a Director of Engineering at CrowdStrike with extensive experience in delivering enterprise security solutions. Educated at Dublin City University and University College Cork, he is an AWS Certified Solutions Architect. Colleagues describe him as highly organized, conscientious, and the ultimate team player.

With a background rooted in Ireland through his university education, Sean has built a career focused on the global cybersecurity landscape. His professional interests are centered on the latest technological advancements and protecting large-scale enterprise customers from emerging threats.

Unique fact: Sean was brought in midway through a critical project to help recover a key engineering dependency, showcasing his ability to lead under pressure.

Personality Overview

Assertive

Value Driven

Example Seeker

They can sound friendly and charming but can quickly change gears to become inquisitive and probing.  They are generally strong communicators and are not easy to convince. They often ask many questions and rely heavily on information and documentation.

Topics They Care About

AI in Cybersecurity
Actively posts about securing GenAI workflows and CrowdStrike's acquisition of Pangea to pioneer AI Detection and Response (AIDR).
Cloud Data Protection
Holds AWS certifications and promotes solutions like SaaS Security Posture Management (SSPM) and unified data protection across cloud and endpoints.
Collaborative Leadership
Multiple recommendations praise him for being an "amazing partner" and a "team player" who works effectively across teams to deliver products.

Media Appearances

Sean has no verified media appearances

Work History

2-2025
Director of Engineering at CrowdStrike
2-2022 - 1-2025
Snr Software Engineering Manager at CrowdStrike
4-2017 - 2-2022
Snr Software Engineering Manager at McAfee
7-2012 - 4-2017
Software Engineering Manager at Intel Corporation
7-2007 - 7-2012
Senior Software Engineer at McAfee

Education

1999 - 2000
MEng from Dublin City University
1995 - 1999
BEng from University College Cork

More Information

Social Presence :

Prographics :

Exp : 20 Location : Ireland Job Level : Mid-senior Designation : Director of Engineering at CrowdStrike
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Insights For Selling To Sean

During A Call Or A Meeting

DO's

  • Focus on immediate action-items rather than the larger goals
  • Help them understand the risk aspect fully while inspiring confidence
  • Be prepared for a lot of questions, answer them objectively

DONT's

  • Avoid making offhand commitments
  • Don’t rely excessively on your relationship with them to win the deal
  • Don’t brush off any concerns, take all questions seriously

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with Sean is

  • Clear proof of product value matters to them, followed by others' testimonials and rapport.
  • Will you ever get a clear answer from Sean

  • They are practical yet friendly, don’t expect a clear no very often.

Insights For Deal Planning

    How fast (or slow) will Sean move?

  • They like to analyze well and can take their time to reach any decisions.
  • Can Sean take some risk or not?

  • They systematically evaluate all decisions and are unlikely to take many risks.

You And Sean

Personality Compatibility


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