APES brings together consulting expertise across project development, subsurface, wells, facilities, operations, commercial strategy and lower-carbon solutions.
We form teams around the scope and the expertise needed to deliver it.
Managing Director · Carbon storage & industrial decarbonisation
Diego brings more than 22 years of international experience across operator roles, independent advisory and project development. He combines technical, commercial and regulatory perspectives across carbon storage, renewable integration, industrial decarbonisation and sustainable fuels, helping operators, industry, governments and multidisciplinary teams build a defensible path forward.
Well engineering
A well engineering leader with 30+ years of drilling and completions experience, including offshore, HPHT and deepwater work. He has led well planning and assurance teams across Asia, Europe and the Middle East.
Production & operations optimisation
Brings 20+ years of international experience in production and operations. Her expertise spans coal seam gas asset performance, production forecasting, well integrity and digital transformation. She has led multidisciplinary teams at Senex, Origin Energy and SLB, combining technical insight with operational and commercial priorities.
Competence assurance & HSSE
Specialises in global competence assurance, frontline development and HSSE within the APES technical team.
Electrical engineering & functional safety
Principal electrical and functional safety engineering expertise for energy projects and facilities.
Subsurface assurance & decision quality
Four decades across field appraisal, development and more recent CCS decisions. He specialises in risk-based technical assurance, decision quality coaching and capability development, and led the Baram Basin geothermal feasibility study.
Flow assurance & CCS systems
More than 20 years in flow assurance, including CO₂ transport and injection system design. She has supported concept selection, FEED and offshore operations for North Sea CCS and international energy projects.
Improved & enhanced recovery
A former Shell subject matter expert in waterflooding and chemical EOR with 35+ years of experience. His work includes the Champion polymer trial and waterflood development in Brunei.
Geomechanics & CCS integrity
A geomechanics specialist with 39 years in CO₂ storage containment, reservoir and completion integrity, and coupled geomechanics. He was an SPE Distinguished Lecturer for 2024–25 on managing CCS geomechanical risk.
Asset leadership & operations
An energy executive with 35+ years at Shell, BP and Exxon, including senior offshore asset leadership in Brunei. His focus includes operational excellence, integrated planning and organisational transformation.
Digital evolution
Brings digital evolution expertise to the APES technical team and its work on energy operations.
Wells, CCS & field development
A petroleum and well engineer with 18+ years in completions, field development and well integrity. His CCS experience covers CO₂ injection design, barrier assessment and storage planning, including Bayu-Undan work.
Production technology & WRFM
A production technology leader with 30+ years in completions, integrated asset modelling and WRFM. His experience includes major Tullow developments and digital oilfield and production optimisation work.
Exploration due diligence
More than 40 years in regional play assessment, seismic interpretation and basin-scale thermal modelling. His experience spans new ventures and mature basins, including Brunei, and extends to geothermal and natural hydrogen.
Structural geology & exploration
A geoscientist with 40+ years in exploration and production, including discoveries in the North Sea, Venezuela and North America. He integrates geology, geophysics, geochemistry and engineering in complex structural settings.
Petrophysics & reservoir characterisation
A petrophysicist with 25+ years in reservoir characterisation and integrated subsurface studies. He has led field development and portfolio work, including Kelidang deepwater gas and global Petronas studies.
CCUS & sustainable energy
A PhD-qualified scientist and former offshore engineer and project manager with experience across Europe, Asia and MENA. She focuses on CCUS, sustainable energy and Middle East business development.
Well construction & strategy
More than 30 years in international well construction equipment and services, including corporate strategy and low-carbon initiatives. His expertise connects technical due diligence with business development and partnerships.
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