Senior Management



Mr Duncan Anderson joined GMS in 2007 and is a UK Chartered Engineer, with a post-graduate  BSc (Hons) degree in Marine Machinery Monitoring Control.  He brings a wealth of experience to the executive team gained from his prior role as COO at the UAE-based Lamnalco Group where he managed a fleet of 90 vessels, as well as increasing their customer base in West Africa and the Middle East.  Mr Anderson was also COO of Gulf Offshore North Sea, the largest offshore support vessel operator in the North Sea.  In his role as CEO, Mr Anderson is responsible for managing the future growth of GMS stemming from the projected increase in demand in marine offshore-related projects in the oil, gas and renewables sectors.  Additionally, Mr Anderson and his team will bolster GMS’ leadership globally by addressing customisation requirements in this field.



Mr John Brown joined GMS in 2014 and is a Scottish Chartered Accountant.  Prior to joining GMS, he was Finance Director for nine years at Bowleven plc, a UK-listed oil and gas company.  Mr Brown’s previous appointments include Finance Director for Thistle Mining Inc, a dual-listed Canadian gold mining company, Director at British Linen Advisers, and Finance Director for Paladin Resources, a UK-listed independent oil and gas exploration and production company.



Mr Andy Robertson joined GMS in 2008. He was educated at Robert Gordon University with a BA in Accountancy and Finance and is an associate member of the Chartered Institute of Management Accountants. Prior to joining GMS, he spent six years working in the oil and gas industry for AMEC, having taken up postings in the UK, USA and China and had responsibility for finance operations in major oil and gas regions including Europe, Americas, Asia and the Middle East. These roles had a strong focus on delivering improvement/change to process, practice and procedure. He also has significant marine/shipping experience gained in a variety of finance-related roles with P&O and Coflexip Stena Offshore.



Mr Simon Cook has over 15 years’ experience in OSV Executive Management positions working for a number of major maritime service companies operating internationally and based in the Middle East. He joined GMS in 2014 as the General Manager for MENA and was promoted to Chief Operating Officer in April 2015.




Mr Mohammed Antar joined GMS in 2007.  Prior to joining he was Logistics Manager for five years in the Logistics Division of ADMA-OPCO with a workforce of around 770 personnel, an annual budget of US$ 105m, and around 15 major contracts.  Still under ADMA-OPCO, he also worked as a Manager in Das Island for 13 years in the Service Division. The Division’s main function was to provide support services for the whole of Das Island, which included Abu Dhabi Gas Liquefaction Company (ADGAS).



Mr Mark Preston joined GMS in 2008, bringing more than 20 years of commercial experience within the marine and offshore industry.  He is a Chartered Shipbroker with international business development experience gained in the oil and gas industry.  He has undertaken the commercial management and control of large scale projects which include the provision of Early Production Systems and the conversion of a Floating Production and Storage Facility for European clients.




Mr Gary Bentinck joined the GMS executive management team in 2016. He is a graduate of the Robert Gordon University and holds a BA in Public Administration, a post-graduate Diploma in Human Resource Management and he is a Chartered Member of the UK Institute of Personnel and Development. Mr Bentinck has over 25 years of experience working in the marine, drilling, subsea and well services sectors of the global oil and gas industry. Prior to joining GMS, he was with Subsea 7 where he initially held the position of HR Director before being promoted to Offshore Staffing Director and having responsibility for the delivery of all employment and crew management services to an offshore workforce of 6000 people.



Mr Stephen Reid joined GMS in 2014 and is responsible for the Health, Safety, Security, Environment and Quality arrangements within GMS activities onshore and offshore. He holds a Master of Business Administration and is a Chartered Member of the Institute of Occupational Safety and Health. Mr Reid has spent a number of years in the oil and gas industry, holding positions as Regional QHSE Manager for GE Oil and Gas (UK) and PSL Energy Services (Azerbaijan), Head of Support Services and Global HSSE Manager for KCA Deutag (Azerbaijan, Aberdeen and Global) and Corporate HSSEQ Manager (Gulf Drilling International (Qatar).

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