Subsurface Team

Coen Leo

Chief Geoscientist

Coen is PanTerra’s Chief Geologist and has an extensive background as a geologist and technical advisor. He has carried out many seismic interpretation projects, basin modeling and regional studies, and was involved in developing drillable E&P prospects in several countries like the Netherlands, Thailand, Norway, and Trinidad and led field development studies there. Later, Coen embraced various roles as a technical advisor, advocating team building that combines technical evaluations with commercial decision-making and risk evaluation, in order to pursue the right investment decisions in a multi-national environment.


Pyae Sone Thu

Exploration Geologist

Pyae Sone Thu has over 6 years’ experience as the geoscientist in the upstream oil and gas industry. He joined Pacific Hunt in 2017 as an Exploration Geologist after his previous assignments with  Bashneft International B.V and Eni.Pyae holds a Bachelor of Science (Geology), and has extensive knowledge of Applied Petroleum Geoscience that he studied for two years from the Executive Geologist of MOGE. He holds other relevant certificates such as Fundamental of Petroleum Geology (AAPG), IWCF Level 1, IADC Well-Control Accreditation Program, IADC Introduction to Well Servicing courses, HSE Induction Courses for Seismic Operation among others.

He has worked in Central Burma Basin, Pyay Embayment, Chindwin Basin, Bago Yoma Basin, Sittaung Basin and Irrawaddy Delta Basin in Myanmar.

Pyae Sone Thu

Mojtaba Talebian

Reservoir Engineer

Mojtaba is a Reservoir Engineer with over 10 years’ experience in the oil and gas industry, working in multi-disciplinary teams. He is a well test analysis expert.  He has also carried out integrated reservoir studies and reservoir simulation, uncertainty analysis, reserves assessments and certification and petroleum economic modelling.  Mojtaba has a strong mathematical and analytical background, proven track record of delivering high quality successful projects concerning field development in Europe, Asia and Africa and is highly organised and result-oriented. He is also an expert user of Eclipse, Petrel RE, and PVT and well test softwares like Fekete, Harmony and Prosper.


Ulf Boker

Support for Operations Geologist

Ulf is a geoscientist, petrophysicist and an experienced Petrel modeller. He joined PanTerra in 2011, and has since conducted many small and large (300 well) petrophysical evaluation projects in various geological settings. He is also very experienced in seismic interpretations both in Petrel and Kingdom software, and has built a number of complex static models in clastic and carbonate environments. Ulf worked previously on the Myanmar licences of Pacific Hunt Energy.

Nick Fitzgerald

Chief Geophysicist

Nick Fitzgerald is a Chief Geophysicist with over 30 years of Australasian and International experience in the oil and gas industry. Mr. Fitzgerald has experience in most Australian basins, Indonesia, Myanmar, GOM, PNG, New Zealand Taranaki & Southland basins, North, West, and East Africa, notably Sirte & Murzuq basins. He was responsible for all Woodside Geophysical activity carried out in Australia and internationally with more than A$400MM funds under management. Mr. Fitzgerald also led a team of 35 staff made up of specialist geophysicists who are responsible for acquisition, processing and imaging, reservoir geophysics / quantitative interpretation and interpretation support during his tenure with Woodside Energy.

Ad Hagelaars

Well Testing & Completions

Ad joined PanTerra in May 2017 after a long career with Shell Exploration and Production in the Netherlands, Syria, Venezuela, Iran and Russia ,where  he held key appointments in technical, commercial and managerial positions such as Well Stimulation Manager, Head of Production Technology, Well, Reservoir and Facility Management (WRFM) Manager, Senior Internal Auditor, Asset Manager and Head of Business Improvement. He is trained as a hands-on Production Technologist and Petroleum Engineer.

Kirsten Brautigam


Kirsten joined PanTerra in 2013 as a geoscientist within the Exploration and Appraisal team after working as a shallow subsurface consultant at engineering agency Oranjewoud. In PanTerra she has worked, amongst other projects, on seismic interpretation and prospect evaluation of onshore Niger Delta licences, petrophysical interpretation of wells in Algeria, Iran and the Netherlands, missed pay evaluation of wells in the Dutch offshore and various geological feasibility studies of geothermal projects in the Netherlands.