Our People

Stuart Duffield

Master Mariner


Master Mariners


Oil & Gas




Stuart joined LOC in 2009, and is a Master Mariner and Vice President of Marine Assurance based in Houston.

Stuart has over 16 years of seagoing experience on board various offshore support vessels. He has sailed in all ranks and spent the last five years at sea as Dynamic Positioning (DP) master of ROV support, dive support, construction and cable laying vessels trading worldwide.

Stuart is   involved with the preparation of FMEA’s for various systems including DP, gangways and ballast. He has completed FMEA gap analysis and DP incident investigations, along with marine assurance services to all areas of the industry. Stuart has also completed debris field dive surveys, grounding cases, machinery damage cases and marine incident investigation and root cause analysis.

Stuart is an accredited OVID inspector and holds an unlimited Master Mariner licence, and has a great wealth of experience in offshore vessel operations, procedures, safety systems and control systems.