Capt. Simon Chaplin

Maritime and Security Specialist

Simon first joined the Merchant Navy, as Deck Boy, in 1982. Working on a variety of vessels and progressing through the ranks, he successfully gained his Class 1 Master Mariner Certificate of Competency (Unlimited) in 1999.

He joined Pacific Nuclear Transport Limited (PNTL) in 1999, where he was promoted to Captain in 2013 and has commanded worldwide voyages that have included Category 1 high security shipments, MOX fuel, Plutonium deliveries, and high level waste returns.

As part of his secondment to WNTI, Simon’s roles include,

WNTI Principle Delegate to the International Maritime Organization (IMO) and IMO WNTI Delegation Coordinator,

WNTI delegate to the International Atomic Energy Agency (IAEA) Denials of Shipment Working Group (DoS WG) and appointed as Co-Chair to the DoS Sub-Working Group for Awareness, Training and Outreach,

Member of the IAEA Transport Safety Standards Committee (TRANSSC) Working Group on Transportable Nuclear Power Plants,

WNTI lead delegate to the International Atomic Energy Agency (IAEA) Nuclear Security Guidance Committee (NSGC),

WNTI representative (Observer) at the Informal Dialogue Between Coastal and Shipping States (CS/SS),

Visiting Lecturer to the World Maritime University (WMU),

WG Secretary to the following WNTI Working Groups,

  • Maritime Applications and Nuclear Propulsion Working Group, 
  • Transport Security Working Group,
  • New Nuclear Working Group.


Simon’s hobbies include driving and looking after his classic car (a Triumph TR4a that he has owned since 1984 – his first car!), riding a not so old motorcycle, and (very) amateur photography.