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Alex Lisle

Chief Technology Officer at Reality Defender

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Overview

Alex Lisle serves as Chief Technology Officer at Reality Defender [1][3]. Lisle is described as a thought leader and CTO with extensive experience designing, implementing, and iterating on business, technology, and engineering solutions, with a track record of transforming ideas into products ranging from simple algorithms to data platforms running on thousands of servers, and of building and leading teams in the security space [2]. Lisle's prior roles include Head of Incubation Engineering at SecurityScorecard [4], Chief Technology Officer at Hubble Technology [5], CTO at Kryptowire [6], Chief Software Architect at AlienVault [7], and Systems/Software Engineer at Fortify Software [8]. Lisle holds a PhD in Computer Science from Durham University [11] and a BSc in Artificial Intelligence from Durham University [12].

Profile introduction
Source excerptLinkedIn [2]

Thought Leader and Chief Technology Officer with extensive experience designing, implementing, and iterating on business, technology and engineering solutions. Successfully transforming ideas into products, beginning with simple algorithms and ending with data platforms running on thousands of servers. Building and leading top-performing teams of developers and engineers in the security space. Championing divergent problem solving by leveraging a strong foundation of research engineering and product development to identify elegant solutions to complex problems.

Career history

  1. Chief Technology OfficerMar 2025 to presentReality Defender
  2. Head of Incubation EngineeringJan 2024 to May 2025SecurityScorecard
  3. Chief Technology OfficerAug 2022 to Feb 2024Hubble Technology
  4. CTOAug 2019 to Aug 2022Kryptowire
  5. Chief Software ArchitectMar 2012 to Jul 2019AlienVault
  6. Systems/Software Engineer2008 to Mar 2012Fortify Software
  7. EngineerJun 2007 to Jul 2008Independent Engineer
  8. ConsultantJun 2006 to Mar 2007Callataÿ & Wouters

Education

  1. Doctor of Philosophy - PhD, Computer ScienceOct 2005 - Oct 2010Durham University
  2. BSc, Artificial Intelligence2002 - 2005Durham University

In the news

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