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JD McNeil

Co-founder and CFO of Slitherine Software UK Ltd, the parent of Matrix Pro Sim, from 2000 to 2023.

John Driscoll ('JD') McNeil co-founded Slitherine Software UK Ltd with Iain McNeil in 2000, serving as a director of the company and its sister company Slitherine Limited for over two decades before resigning from both on 13 October 2023. He was an avid wargaming-tournament competitor before co-founding Slitherine, and public accounts have referred to him at different points as the company's CFO and, elsewhere, as CEO of the wider Matrix Games/Slitherine group.

Overview

Role
Co-Founder & CFO; Director, Slitherine Software UK Ltd (2000-2023)
Based in
UK
Prior experience

Companies1

Affiliated funds0

No linked records yet.

Frequently asked

Who is JD McNeil?
John Driscoll ('JD') McNeil co-founded Slitherine Software UK Ltd with Iain McNeil in 2000, serving as a director of the company and its sister company Slitherine Limited for over two decades before resigning from both on 13 October 2023. He was an avid wargaming-tournament competitor before co-founding Slitherine, and public accounts have referred to him at different points as the company's CFO and, elsewhere, as CEO of the wider Matrix Games/Slitherine group.
What is JD McNeil's role?
JD McNeil is Co-Founder & CFO; Director, Slitherine Software UK Ltd (2000-2023), based in UK.

Tags

foundermodeling-and-simulation

Sources & citations3

Each claim links to its underlying source. Confidence reflects how directly the source supports the claim.

  1. 1

    Director of Slitherine Software UK Limited, appointed 25 July 2000 (incorporation date), resigned 13 October 2023

    UK Companies House: Slitherine Software UK Limited — Officers
    Verified2026-07-20
  2. 2

    CFO of Slitherine, co-driving force behind the Command wargame alongside Iain McNeil and WarfareSims

    Global Defence Technology (nridigital.com): Slitherine's Command: the wargame transforming operational simulation
    Verified2018-11-01
  3. 3

    JD McNeil is listed as a co-founder of Slitherine Software alongside Iain McNeil

    Wikipedia: Slitherine Software
    Reported2026-07-20