Accomplished professional with a robust background in major hazard industries within the oil and gas sector. Proven track record in driving operational excellence, boosting safety, and optimising asset performance. Skilled in managing high-hazard assets, overseeing shutdowns and major maintenance projects, and ensuring compliance with stringent regulatory requirements, focusing on HSE and process safety. A versatile leader; known for transformative leadership, fostering stakeholder relationships, and achieving substantial performance improvements. Recognised for delivering significant cost savings and promoting a culture of safety and compliance. Skills– High-hazard asset management– Shutdown, project and major maintenance management – HSE, operational integrity, process safety and major accident hazard risk management – Navigating compliance in complex regulatory landscapes– Emergency management and maritime port facility security – Safety case and COMAH safety report management– Transformative leadership and performance improvement processes – Relationship building with regulatory bodies, local government, NGOs and communities– HR functions & contractor management
Self-Directed Career Break
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Construction Project Manager / Building Services EngineerSelf-Directed Career Break Jan 2019 - PresentInvernessDesigned and constructed a custom family home and renovated two residential properties, managing all aspects from planning to completion, while fulfilling the roles of Client, Principal Designer, and Principal Contractor under the Construction (Design and Management) Regulations 2015.Developed expertise in electrical systems, energy optimisation, and sustainable engineeringProvided consultancy on sustainable, energy-efficient solutions, including renewable energy systems and fire safety strategies.Solved complex construction challenges, prioritising compliance and risk mitigation.
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Operations Manager - Flotta Oil TerminalRepsol Sinopec Resources Uk Limited Oct 2013 - Dec 2018Aberdeen & Flotta, Orkney IslesSpearheaded midstream operations ensuring full compliance with COMAH legislation, authorisations, and company standards.Accomplished 100% uptime and a reliable lifting programme, eliminating demurrage charges and amplifying operational efficiency.Reduced annual operating expenditure by 39%, achieving savings of £22M and elevating financial performance.Restructured the organisation, decreasing headcount by 58% from 301FTE to 176FTE, right-sizing operations and cutting costs significantly. -
Offshore Installation ManagerTalisman Energy Apr 2009 - Oct 2013Buchan Alpha Floating Production VesselDirected the safe operation of the Buchan Alpha Floating Production Vessel, resulting in exemplary safety performance and an annualised operational efficiency exceeding 91%.Extended the installation service life by five years through advocacy for ageing asset structural integrity assurance. -
Offshore Installation Manager / Offshore Team LeaderTalisman Energy Sep 2008 - Apr 2009Buchan Alpha Floating Production Vessel -
Offshore Installation ManagerTalisman Energy Nov 2007 - Sep 2008Beatrice Field, Beatrice Windfarm Demonstrator Project -
Offshore Team Leader / Deputy Offshore Installation ManagerTalisman Energy Nov 2006 - Nov 2007Beatrice Field, Beatrice Windfarm Demonstrator Project -
Maintenance Team Leader / Logistics Coordinator / Stand-In Offshore Installation ManagerWood Group Engineering North Sea Limited Jun 2002 - Nov 2006Beatrice Field -
Senior Rig Electrician - Electrical Technician - Rep - Maintenance Team LeaderGlobal Santa Fe Drilling Company Uk Limited Apr 1998 - Jun 2002Beatrice Field -
Electrical Motorman, Rig Electrician, Senior Rig Electrician, Responsible Electrical PersonGlobal Santa Fe Drilling Company Uk Limited Jul 1991 - Apr 1998Thistle, Magnus, Auk, Kittiwake, Galaxy 1, Magellan, Rig 135 & Rig 140 & Tiffany
Gary Marshalsey Education Details
Frequently Asked Questions about Gary Marshalsey
What company does Gary Marshalsey work for?
Gary Marshalsey works for Self-Directed Career Break
What is Gary Marshalsey's role at the current company?
Gary Marshalsey's current role is Operations | Maintenance Management | Asset Life Extension | Shutdown Management | Major Hazard Industries | Oil & Gas.
What schools did Gary Marshalsey attend?
Gary Marshalsey attended North East Scotland College, Uhi.
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