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.  

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.

Jerome Amory

Chief Geoscientist and Renewable Energy Lead

Jerome is a geologist with a wealth of international experience delivering integrated oil and gas energy projects across a broad range of technical and management roles. His core strengths are in development and production optimization. At PanTerra Jerome is focused on progressing the energy transition agenda.

Hamidreza Salimi

Chief Reservoir Engineer

Hamidreza has 15 years of experience in the oil and gas industry and academia. He specialises in EOR, dynamic simulation, fractured reservoirs, and reservoir souring. He built many models in Eclipse, CMG Stars, and developed numerical-reservoir models for fractured-reservoir simulations, reservoir souring, and for EOR/IOR.

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.

Jurriaan Nortier

Supervisor Onsite Services

Jurriaan Nortier is a determined, hands-on manager with a strong background in SCAL and clastic and carbonate sedimentology. He is currently ensuring that all the onsite services 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.

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.