Over 30 years' experience in general management of small engineering contractor and consulting engineering practice in energy and marine systems. Energy Institute accredited professional energy consultant and ESOS Lead Assessor. Member of IMarEST special interest group committee for Alternative Fuels & Ship Emissions. Current interests; hydrogen, cryogenics and superconductive propulsion plant..Specialties: Energy conservation and carbon emissions reduction: Lead Assessor for HMG Energy Savings Opportunities Scheme (ESOS 2015 & 2019) for marine organizations.Gas turbines: development of marine propulsion onshore and at sea; evaluation, procurement and recuperated cogeneration (CHP) plant.