Management Team

PanTerra is led by an enthusiastic and experienced team of professionals who aim to bring a fresh and innovative approach to geological and reservoir engineering consulting by offering an unique integration of in-house laboratory services, subsurface evaluation, engineering support, project management, and E&P recruitment.  

Greg van de Bilt

Managing Director

Greg founded PanTerra Geoconsultants and has led the company as Managing Director since then. Greg holds an MSc Geology and an MBA. His goal is to build PanTerra as a first class service provider to the international energy industry with a reputation for technical excellence and professional integrity.  

Albert Hebing

Laboratory Manager

Albert joined PanTerra in 1995. Over the years, Albert has extended the initial routine lab to a state-of-the-art Rock & Fluids, and EOR laboratory. His goal is to lead PanTerra Laboratory become the best service lab by providing superior service using modern technology, while maintaining employee satisfaction and financial soundness.  

Jan Nieuwerf

EOR Specialist & Project Manager

Jan worked as a geologist and EOR development team leader on oil & gas development projects for Shell UK, Norway, Malaysia, Asia, Venezuela, Brunei, Russia and NAM. He has a deep knowledge of Chemical EOR including, Low Salinity- Polymer- and Surfactant flooding and he is an accredited facilitator and senior project leader.

Marcel Zwaan

Manager Subsurface Evaluation

Marcel joined PanTerra in 2018, after 27 years with Shell in Petroleum Engineering in the Netherlands, Oman, and the United Kingdom with positions in geoscience, well reservoir and facilities management and in commercial teams.

Coen Leo

Chief Geoscientist

He is a very experienced exploration and development geologist. He has hands on experience with seismic interpretation, basin modelling, regional studies, licence administration and field developments. Coen has more than 30 years’ experience in technical, advising, commercial and managerial functions in Europe, Asia and the Caribbean region.

Christiaan v.d. Harst

Senior Petroleum Engineer

Petroleum Engineer with a strong reservoir engineering background. He is specialized in production forecasting, development planning, reserves estimation, portfolio analysis, recovery factor benchmarking, economic evaluation, EOR, reservoir simulation & opportunity identification for oil & gas fields.

Bärbel Dorn

Senior Recruiter

Barbel is building a world class network of oil and gas industry experts as a recruiter for PanTerra. She strives to make the recruitment and secondment processes as smooth as possible and continue to provide qualified candidates to fill the specific needs of E&P companies.

Catalin Petrea

Reservoir Geology Supervisor

Catalin has 10 years of research and industrial experience on Sedimentology and Sedimentary Petrography of both marine carbonates and siliciclastic deposits. He has a strong background in core description, wireline data, petrography and geochemistry. Catalin became the Supervisor of the Reservoir Geology Department at the beginning of 2016.

Jurriaan Nortier

Lab Operations Manager

Jurriaan Nortier is a determined, hands-on operations manager with a strong background in SCAL and clastic and carbonate sedimentology. He is currently ensuring that all the core analysis and souring studies under his supervision are running smoothly.

Pauline Lekx

Chief Financial Officer

Pauline joined PanTerra in 2004 and is responsible for both our financial and HR departments. She strives to run these departments as smooth as possible and keep our clients, employees, and suppliers happy.  

Lucian Pirlea

PVT & EOR Supervisor

Lucian has been involved in both upstream and downstream oil and gas sector, from reservoir engineering projects to pipeline project management and procurement. Since 2001, he has actively carried out reservoir fluids analysis, from sampling to complete PVT and EOR testing.

Sergio Fernández

Core Analysis Supervisor

Sergio Fernández started his career as a geologist in 2007 within Research & Development laboratory projects. He has worked in petrophysical characterization of rocks related to CO2 geological storage. He joined the PanTerra laboratory team in 2013 as a Routine Core Analysis Supervisor.

Mike Burns

Equipment Sales Engineer

Mike Burns joined the Oil and Gas industry in 1998 as a Manager at FracTech Ltd, where his duties included the supervision and execution of laboratory projects for completions. In 2007 Mike started his employment with PanTerra in Core Analysis. In December 2013, Mike transferred to the Equipment Sales Department.