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Patrick DiFilippo
Patrick DiFilippo

Senior Marine Engineer


work Shanghai

work +86 021 5860 2868
cell +86 135 1211 5524

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Career Summary

Patrick has a Bachelor of Science degree in Marine Engineering from the U.S. Naval Academy, and a Master of Arts degree in Education and Training Management Specialty from the University of Rhode Island.  As a commissioned naval officer for 10 years, he sailed aboard U.S. Naval vessels up to the level of Chief Engineer, and then later served as a Lead Inspector for the U.S. Navy’s Propulsion Examination Board, attaining senior watch officer qualifications for both conventional steam and gas turbine propulsion plants. 


Upon leaving the Navy, he worked as a Technical Superintendent for Maersk Line Limited (MLL), and then subsequently joined the American Bureau of Shipping (ABS). Patrick spent 10 years working for ABS as a certified Marine / Offshore / Naval Senior Surveyor; he spent three years in America performing vessel in-service surveys, and then a further seven years in China as a Project Manager / Lead Surveyor for the newbuilding of various vessel types and offshore drilling units.  Patrick has significant experience in gas turbine engines and control systems, modern marine diesel operations, and current shipbuilding techniques. 

After a decade with ABS, he was employed for three years by a marine survey company based in Shanghai, providing technical consultancy services for a wide range of clients, including Law Firms, H&M Underwriters, P&I Clubs, Shipowners / Technical Managers, Charterers, Shipyards, Equipment Manufacturers, Service Companies, and Bunker Fuel Suppliers. Patrick is highly experienced in all aspects of shipbuilding and offshore construction, ship repair, drydocking, vessel retrofits and major modifications, project management, and cost analysis/negotiation, and in providing expert witness testimony. 

Professional Qualifications 

  • Marine Engineering Consultant / Surveyor 
  • Certified Marine / Offshore / Naval Senior Surveyor & Project Manager (ABS) 
  • Surface Warfare Officer, w/ Top Secret / SCI Security Clearance (USN) 
  • Certified Propulsion Plant Inspector – Gas Turbine & Diesel Propulsion Plants (USN) 
  • Chief Engineer – Gas Turbine Propulsion Plant (USN) 
  • Engineering Officer of the Watch (EOOW) – Gas Turbine & Steam Propulsion (USN) 
  • Officer of the Deck (OOD) (USN) 
  • Certified Master Training Specialist (USN) 

Academic Qualifications 

  • B.S., Marine Engineering, United States Naval Academy, 1995 
  • M.A., Education and Training Management Specialty, University of Rhode Island, 2002 

Previous Employment History 

  • AqualisBraemar (Shanghai) Ltd., Marine Engineering Consultant / Surveyor, 2018 – 2021 
  • American Bureau of Shipping (ABS), Senior Surveyor & Project Manager, 2008 – 2018 
  • Maersk Line Limited (MLL), Technical Superintendent / Vessel Manager, 2005 – 2008 
  • U.S. Navy, Surface Warfare Officer, 1995 – 2005 

Sea-Going Employment History 

  • Naval Propulsion Plant Lead Inspector, Various Naval Vessels, 2004 – 2005 
  • Chief Engineer, USS GARY (FFG 51), 2002 – 2004 
  • Auxiliary Systems Officer, USS DE WERT (FFG 45), 1997 – 1999 
  • Cargo Ordnance Officer & Engineering Training Officer, USS JUNEAU (LPD 10), 1995 – 1997 

Surveying and Consultancy Experience 

  • Hull & Machinery (H&M) Surveys for incidents involving the following: 
  • Collision/Allision Damage Surveys 
  • Groundings. 
  • Flooding and heavy weather damage. 
  • Main & Auxiliary Engines damage. 
  • Turbocharger damage/failure. 
  • Electrical power and control systems failure. 
  • Steering system failure/damage. 
  • Main shafting & propeller damage. 
  • Boiler damage. 
  • Shipboard cargo gear/cranes damage. 
  • P&I and H&M Condition Surveys. 
  • Pre-purchase and Pre-charter Condition / Suitability Surveys. 
  • Major modifications / retrofits. 
  • (Bow Loading Systems, Ballast Water Treatment Systems, Exhaust Gas Scrubbers) 
  • Charterparty (performance) disputes. 
  • Bunker surveys and bunker fuel quality disputes. 
  • Newbuilding disputes. 
  • Marine coating disputes. 
  • Marine Warranty Surveys for break-bulk cargoes. 
  • Class surveys for various types of vessels in-service, including bulk carriers, oil tankers, containerships, towing vessels, barges (deck, chemical, hopper, cement), dredgers, passenger and vehicle ferries, military RO/RO vessels, and naval warships. 
  • Class surveys/project management for the following newbuilding projects: 
  • Six (6) 3,800 TEU Container Carriers 
  • One (1) 13,360 TEU Container Carrier 
  • Two (2) 320,000 DWT Oil Tankers (VLCC’s) 
  • One (1) 92,500 DWT Bulk Carrier 
  • Two (2) Type CJ-46 Jack-up Units 
  • One (1) Type CJ-50 Jack-up Unit 
  • One (1) Type JU-2000E Jack-up Unit 
  • Class surveys during the factory certification of various marine equipment. 

Experience of Main and Auxiliary Engines 

  • MAN-B&W 
  • Sulzer / Wartsila 
  • Daihatsu 
  • Mitsubishi 
  • Detroit Diesel 
  • Colt-Pielstick 
  • ALCO 
  • General Electric Steam Turbines and Gas Turbine Engines 
  • Westinghouse Main Reduction Gears (MRG’s) 

Professional Training History 

  • Courtroom Skills / Witness Familiarization Course, Bond Solon (London), 2020 
  • Expert Witness Cross Examination Course, Bond Solon (London), 2020 
  • Certification of Drilling System (CDS) Course, ABS Academy, Singapore, 2014 
  • Mobile Offshore Drilling Units (MODU) Surveys Course, ABS Academy, Singapore, 2014 
  • Non-Destructive Examination (NDE) Course, ABS Academy, Houston, Texas, 2008 
  • Materials & Qualified Welding Inspector (QWI) Course, ABS Academy, Houston, Texas, 2008 
  • Confined Space Safety Practices (CSSP) Course, ABS Academy, Houston, Texas, 2008 
  • Blueprints Correspondence Course (BPCC), ABS Newport News, Virginia, 2008 
  • Sulzer RT-Flex Engine Operation & Maintenance Course, Winterthur, Switzerland, 2007 
  • Port Engineer Course, Fisher Maritime Consulting, Houston, Texas, 2006 
  • Gas Turbine Propulsion Plant Course, US Navy, Newport, Rhode Island, 1997 
  • Steam Propulsion Plant Course, US Navy, Newport, Rhode Island, 1995 
  • Boiler Water / Feed Water Chemistry Course, US Navy, Newport, Rhode Island, 1995 
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