The Geo People
Our team
Dr Andrea G Collins


A British national, Andrea joined The Geo People in 2005.

Graduating with an MSc in Applied Geophysics from the University of Birmingham (UK) in 1991, Andrea was subsequently appointed as a staff geophysicist by Western Geophysical in London, before going offshore for Western as a navigation processor and later, a seismic processing QC, working out of West Africa, Middle East, GoM, and the North Sea. Andrea then designed and implemented marine and land surveys for Western’s UK office, before relocating to the United States to continue that role in Houston, TX. On her return to the UK, Andrea was appointed by Western Geophysical to be Supervisor of the M/V Western Patriot.

In 1998, Andrea was recruited as Chief of Operations for Energy Innovations Ltd (EIL), based in Surrey, UK. Following the merger of EIL and Exploration Consultants Limited (ECL), Andrea was appointed by ECL as Head of Seismic Operations.

Andrea became a director of The Geo People in 2005, responsible for technical and commercial client proposals and tenders. She also plays a major role in developing the operational and logistics areas of the business, as well as undertaking technical review and support for a wide range of operational issues and for clients' final reports.

The Geo People became a founding member of IECO (International Energy Consultants Organisation) in 2007.  Andrea was elected as IECO Secretary in 2008 and subsequently led IECO seminars, highlighting the importance of seismic QC and debating current issues within the industry. Andrea continues to lecture around the world on seismic consultancy QA.

In 2016, Andrea was awarded Doctor of Philosophy (PhD) in Mechanical Engineering from Brunel University, London.


Leslie Greenhalgh


Leslie is a British national, who participates readily in any research being undertaken by The Geo People and is a good contact for all matters relating to HSSE.

NEBOSH qualified, versatile and decisive, a professional health and safety operations manager and client representative whose experience covers a wide range of management expertise in health and safety, training, logistics and security management in seismic, operating in a variety of environments. Leslie’s specialist training in the military enables him to use his experience to offer advice when completing risk assessments where EOD or security may be a factor within area operations including risk assessments for maritime and land-based seismic.

Leslie’s excellent interpersonal skills have been developed in stressful and competitive working conditions. An excellent motivator and role model who maintains a professional and disciplined manner. Leslie was the health and safety advisor for IMC Geophysics International for all seismic and geotechnical operations within the UK and extensively on operations in Africa, conducting audits and ensuring that good safety practices are used within the workplace. A client representative for the last 12 years ensuring that the subcontractors' method statements and HSE management systems comply with the client’s expectations.


Simon White

Marine Seismic Processing QC & Supervision

Simon is a seismic acquisition and processing geophysicist with a BSc in Geophysical Science from the University of Southampton in 2004. He is a British national with eight years of experience in hands-on marine seismic processing followed by another eight years in land and marine seismic project management including seismic acquisition planning and evaluation and in-house contractor supervision and quality control (QC). Currently he reviews seismic data, recommending areas and methods for improvement, carries out project planning, and remotely manages seismic processing / re-processing projects. He has worked with data from over twenty countries and five continents.  

Over thirty marine 2D, 3D, 4D and DAZ processing and reprocessing projects have been managed by Simon using advanced model building techniques and migration algorithms. He has significant experience with time processing and depth imaging in a variety of geological settings. 

All the major seismic acquisition and processing contractors have worked with and been supervised by Simon, who gives geophysical support to a variety of clients from small to medium sized operators to Multi-Client seismic providers.

Simon uses a variety of software for Seismic Interpretation and Seismic QC; primarily DUG Insight, with experience using Reveal, IHS Kingdom and Pre-Stack Pro. For seismic acquisition survey design, he uses SurvOPT, ArcGIS Pro and ION’s Mesa.


Iain MacLeod

Lead PAM Operator, MMO & Protective Species Observer

A UK national, Iain is an experienced and fully qualified Passive Acoustic Monitoring (PAM) operator, Marine Mammal Observer (MMO) and Protected Species Observer (PSO). The Geo People gave Iain his first job as a PAM operator on a 3D seismic survey using the MSeis Night Hawk 3 System offshore Gabon. He proved to be very able and has since trained a Nigerian PAM operator offshore Nigeria for The Geo People.

Iain was awarded an MPhil in Environmental Science and also has extensive technical experience within the drilling fluid manufacturing sector of the oil and gas industry. He is used to a busy laboratory environment, has excellent communication skills, is hardworking and enthusiastic, and highly competent.

Iain is also a keen cyclist, riding coast-to-coast across Canada as part of the 'Tour du Canada', a classic cross-Canada journey that has run annually since 1988.


Moira Moore

MMO & PAM Operator

Moira, a British national, is a trusted MMO and PAM operator with a demonstrable ability to get on with people. 
She has the skill sets to troubleshoot when required, as she is very IT aware, an absolute requirement when operating PAM equipment. Moira has been lead MMO/PAM for The Geo People on four projects in 2014 and either lead or only MMO on all the projects she has completed in 2013.

She has set up MSeis PAM equipment on numerous occasions in the field and taken responsibilty for packing up and checking inventories. Moira has excellent computer skills, is numerate, highly organised and quick to learn with a good sense of humour. Moira has worked with many clients including Shell, Statoil and Total for 2D, 3D, 4D seismic, ocean bottom cable (OBC), piling operations and pipe laying projects.

Moira is experienced with seal and otter monitoring and has won an environmental award for her good work. She is interested in sailing and has completed courses up to and including Coastal Skipper through the RYA route. She has sailed in the UK and abroad and has over 13,000 nautical miles logged, including crossing the Atlantic.


Sergio Kuzel

Survey / Seismic Acquisition QC

Sergio is an Argentinian national, with over 20 years of land seismic experience and three years of experience shared between source boat OBC projects and streamer vessels.

His land work includes desert, swamp, jungle and mountainous-environments. He also has a great deal of experience in field work, especially with drilling and heliportable operation, where each demands a high level of logistics. Sergio has also worked on 2D and 3D surveys, using vibrators and dynamite both on square, slant and crooked lines.

In addition to production, Sergio has knowledge of processing, GPS (both static and RTK), conventional (total station) using dedicated seismic software such as MTREX, GPSeismic, and mapping with AutoCad and Arc View.

Sergio has two years’ experience of working with with Marine Electromagnetic CSEM MT, having acquired experience with acoustic devices such as Konsberg and Sonardyne to control, process and monitor final positionings for EM sources and receivers.

Sergio’s first ever seismic consultancy project was with The Geo People in Uganda, where his communication skills and general professionalism were highly commended by our Client.


Robert Bennett


A British national, Robert Bennett joined The Geo People in 2012.

Robert is a NEBOSH qualified Senior HSE QC as well as a PADI dive master and has a Fire Manager Advanced Diploma. He has over 35 years’ experience on and offshore in the oil and renewable industries, in wind/solar farm construction, seismic survey, vessel management, cable lay/ROV, site management and construction. The past eight years has been focusing on the HSEQ and Auditing aspect of offshore work. A fully rounded HSEQ Manager/Advisor, auditing and management professional with recent training in Client Representation offshore.

Recently, in addition to carrying out duties as an HSSE consultant for The Geo People, Robert carried out a large vessel HSSE audit on the R/V Ramform Tethys offshore Egypt.

Robert (aka 'Ben' to friends/colleagues) is a dedicated and driven professional who believes that the continual training of personnel is key to offering the Client the expertise and knowledge required for a safe working environment. He is a Tech IOSH, a certified Marine Warranty Surveyor for Lloyds, and holds accreditation for 9001/18001 IRCA.

Robert is committed to environmental awareness and wherever possible, will induct and educate industries and personnel. He has gained Environmental Specialist certification from OSHA, NEBOSH Environmental Management and has Lead Auditor status with ISO 14001.

Awarded Associate status with IEMA. To compliment his environmental skill base, Robert is a Marine Mammal Observer in both the UK/USA and is a Passive Acoustic Monitor.


Paul Lenfant

Seismic Project Manager

Paul is a French national, who has worked with The Geo People on several land seismic projects, both as an acquisition QC and as a project manager, representing Shell (he was recently awarded a letter of commendation from Shell, for his work with an especially challenging crew).

Paul has an MSc in Geophysics, more than 38 years of experience in the oil and gas industry, eight years of experience as a client representative in seismic acquisition quality control and HSE, four years of seismic processing experience, two years working in data management and was a party chief for 18 years.

Paul is an independently minded consultant whilst still offering the hands-on capability so often required. He has previously project managed for four years, his responsibilities including participation in tender committees, preparation of contract tender documents, bid evaluation, monitoring survey progress, liaising with onboard QC personnel on survey quality and operational matters, compiling survey statistics for internal/external reporting, planning and preparation for seismic land acquisition, 2D, 3D, transition zone operations using both dynamite and Vibroseis sources. Paul is presently an operations manager, geophysical advisor and seismic QC for all land, transition zone and marine data acquisition methods, in all environments and terrains.


Graham Genge

Seismic Processing Supervisor

Graham is a Canadian national, who has worked recently with The Geo People on an extended project, working tirelessly as onboard seismic processing QC and then moving onwards to China to supervise the seismic processing. 

Graham attained a first class degree in mathematics and has acquired more than 31 years of experience in exploration geophysics, with the majority of this experience in seismic processing. Graham's consulting work includes supervision of office-based processing of 2D and 3D data in Nigeria, Libya, Sudan, China and the USA, oversight of onboard 3D processing and responsibility for infield 3D processing in Algeria and Iraq. Graham supervises office-based testing and processing including data regularisation, high-resolution Radon de-multiple, migration testing and velocity analysis, PSTM and post-migration processing.

Previously an area geophysicist for land and OBC projects in Aramco’s Technical Services group, Graham has supervised all aspects of seismic and navigation acquisition, representing the client’s interest in both data quality and acceptability. He also conducts full vessel HSE audits. His responsibilities as an on-board client representative include ensuring the quality of seismic and navigation data for both 2D and 3D towed streamer acquisition and for marine site-surveys.

In addition, Graham has many years of hands-on office-based processing experience in Canada, Albania, Indonesia and Libya.


Robert Falls


Rob is a British national, whose most recent project with The Geo People was with BP on a challenging hot desert land survey. He has over 30 years of experience in the oil and gas seismic industry, working in desert, rural, urban, tropical bush and offshore shallow marine and transition zone environments. 

He has held various roles: management, administration, logistics and health & safety as a consultant, trainer, crew safety advisor, party manager and administrator with an emphasis on land transport operations. Rob is used to working with many nationalities and cultures and has country experience in Algeria, Argentina, Bangladesh, China, Egypt, France, FSU, Indonesia, Italy, Iraq, Kenya, Kurdistan, Libya, Oman, UK, USA, UAE, Sudan, Swaziland, Turkmenistan and Venezuela. An experienced HSE QC whose background as a field crew safety advisor involved: designing and implementing crew health, safety and environmental management systems, audit programs and safe working procedures. He has conducted specific training programs such as HSE management, vehicle fleet management, driver assessment and training and is also a trained IAGC paramedic.

Rob is fully computer literate and adept at report writing procedures, accident investigation, risk analysis and monthly statistical reports. He is a level headed and practical individual with enhanced inter-personal skills and with proven instructional and assessment experience. Rob holds a current medical fitness certificate.


John Coppock


John is British national and a qualified marine mammal observer with an MSc in Marine Environmental Protection. John has worked with The Geo People on many projects as an MMO and is always ready to provide feedback for us. He readily provides advice to other MMOs and really enjoys his work and has always been accommodating when a project over-runs.

Over 20 years of experience with design and carrying out marine surveys including water quality evaluation, core and grab sampling, seismic surveys, acoustic surveys, fisheries, biotope mapping and cetacean surveys. Ten years of experience with identification and enumeration of benthic samples and analysis of benthic communities from UK waters, Arabian Gulf and East Africa. Ten years of experience with fisheries surveys, evaluation, impact assessment and compensation issues, determining the economic and biological effects on fisheries and marine ecology of oil and gas developments, aggregate dredging, beach nourishment and civil engineering projects. Aquaculture consultancy experience involving damage assessment, advice, monitoring and compensation issues for mussel and oyster culture. A managing director in the international fish/shellfish trade, buying shellfish in Wales, Scotland and Ireland and exporting them to France, Spain and Holland. Four years commercial fishing experience in the Irish Sea.


Niels Wijntjes

Site Survey Project Manager

Niels, a Dutch national, is an independent acquisition QC with an MSc in Marine Geology, Geophysics and Meteorology.

His most recent survey with The Geo People was on a site survey for Shell in offshore Iraq. Niels has represented many clients, include Maersk, Total, Shell, Statoil and DONG Energy, across Europe, Africa, the Middle East, South America and Russia. Niels has been involved in marine survey operations for over 24 years and has wide-ranging experience in the application and operation of survey and investigation techniques.

Niels project manages and supervises marine survey operations for cable and pipeline routes, offshore installations and environmental related projects, his experience embracing geophysical, hydrographical and oceanographic techniques. Niels background in marine geology and geophysical studies provides a comprehensive understanding of the marine environment and his knowledge of meteorology has provided him with a unique perception of the difficulties of operating in sub-sea conditions. Niels is also an onshore project manager, client representative and senior geophysicist for cable and pipeline route surveys and installations, including landfalls/ engineering surveys, construction, geotechnical and UXO surveys, shallow and deep boreholes, digital and analogue rig site surveys, inshore wind-park surveys, route desk studies, and oceanographic projects.


Ron Weissinger


Ron is a United States national, with whom The Geo People has worked on several projects including transition zone, ocean bottom cable and land seismic projects, each with their own unique challenges. 

Never phased by anything and always positive, Ron has over 25 years of worldwide surveying/positioning and outdoor experience; initially employed to teach mountaineering and outdoor skills, exploring and surveying caves, staking mineral claims in the western United States. His experience with seismic surveys includes roles as a chainman, instrument man, party chief and project surveyor for 2D and 3D surveys in all terrains including desert, arctic, transition zone, mountain, swamp, jungle, ocean bottom cable and streamer. Source experience includes: helicopter-supported shot-hole, Vibroseis, and surface shot energy sources.

Latterly involved in technical, QC supervisory and survey management aspects of oil/gas exploration. Extensive experience in onshore/offshore 3D seismic positioning QA/QC management; land and marine positioning; and survey/navigation data analysis/management. His responsibilities have included supervision, troubleshooting, QA/QC checks, and technical audits, costing breakdowns. Accustomed to the hands-on demands of working in adverse field conditions and to contractually exacting technical standards, as well as time and budgetary constraints. Experienced with analogue and digital high resolution site surveys, jack-up and semi-submersible moves and verifications and post-drilling/offshore rig debris surveys. Clients he has represented include Shell, Chevron, Petronas, BG and BHP.


Rob Kennedy

Seismic Project Manager

Rob is a British and Canadian national, who has completed several complex projects for The Geo People and provides a complete set of operational management services inclusive of initial scouting, project budgeting, bid tender operations, pre-bidding audits of contractors, bid assessment, selection of contractors and contract negotiations.

His operational skill set is very diverse, ranging from heli-portable and 3D jungle operations, to large 3D OBC acquisition surveys, transition zone, high channel 3D Vibroseis desert operation crews, dynamite, and nodal projects for shale gas plays, as well as extensive experience as lead QC and HSE supervision in land operations in desert, mountain, plain, jungle and swamp environments. In additon, Rob has several years experience with TZ and OBC surveys in some of the most challenging project areas and has spent many years in the Middle East, Africa and South Asia.

The clients Rob has represented include Shell, BP, Aramco, Total, OMV, Chevron, Cairn and Santos. Rob keeps up-to-date by training on all technical aspects of recording including nodal acquisition and ISSN practices. He uses the latest software to QC all aspects of seismic surveys on a daily basis and has ArcGIS and survey design knowledge for both 2D and 3D survey design.


Jerry Windham

Seismic Acquisition QC

Jerry is a United States national, with over 40 years of worldwide geophysical data acquisition experience. He has worked with The Geo People on land and OBC projects, and in acquisition QC roles. 

He has a natural ability to get on with people and has worked in some very challenging environments. His experience began in 1969 with Geophysical Service working on a shot-hole seismic crew in the southern USA. Subsequently, Jerry worked worldwide for GSI for 20 years on 2D and 3D towed streamer, land, shallow water (OBC), transition zone (TZ), jungle, heli-portable, hot desert, arctic and urban seismic surveys. He has over 18 years of experience as a client representative for QC, QA and seismic field processing using ProMAX, SeisNavQC, Max3D, Verify, ApexPro and MicroMAX software for 2D and 3D projects worldwide. Experienced in all aspects of project management, marine and land, 2D/3D acquisition and survey planning. Jerry is competent in the use of 3D geometry and design packages, namely OMNI and MESA Core and designs linear and non-linear vibroseis sweeps using Pelton software.

He has represented clients such as Shell, Repsol, Occidental and Anadarco, working in the Americas, Africa, the Middle East and Asia.


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