Our Core Team
Founder & Manager Director
Principal Decarbonisation Strategies & Actions
Diego A. Vazquez Anzola
22 Years Upstream International Energy business, including 8 years on CC(U)S, renewable integration and commercially sensible Decarbonisation strategies.
Combines deep technical knowledge with business acumen to develop practical decarbonisation solutions and energy market strategies. Proven ability to integrate subsurface, policy, and market insights to guide investment decisions and deliver client value.
Recognised industry thought leader and passionate mentor. SPE Distinguished Lecturer 2025-2026
Principal Process Optimization and Facility Management
Oswaldo R. Gavidia
20+ years of experience in Production Optimisation and Production Management in onshore and offshore facilities, Gas, heavy Oil, Water Injection, Steam Injection, H2S operations.
Skilled with modelling and data analytics with real-time monitoring systems.
Experienced practitioner in WRFM via daily production data analysis, medium- and long-term production forecast, troubleshooting and root cause analysis of facilities.
Principal Petroleum Engineering/ Wells, Reservoir and Facility Management.
Maria Rondon
Petroleum, Leadership and Management with 20+ years of experience in Production Optimisation and Asset Management across onshore and offshore oil and gas operations, including Coal seam Gas. Proven track record in improving production performance, operational efficiency, and reliability through data-driven decision-making.
Skilled in field operations, artificial lift, asset management, forecast, planning WRFM and brownfield optimisation.
Principal Well Engineer - Design & Completions
Graham Clark
Result-oriented Well Engineering Manager with 30+ years’ experience building high-performing teams and delivering cost-efficient, value-focused projects. Skilled in strategic planning, design, and audit oversight for exploration and development activities across Asia, Europe, and the Middle East, ensuring alignment with international standards and local constraints.
Strong ability to balance optimal versus practical outcomes. Multilingual (English, proficient Russian and Dutch) with a proven track record developing multicultural, junior, and local talent.
Principal Consultant Conventional Oil and Gas
Rick Carter
40 years in diverse roles focused on a wide range of O&G and some recent CCS value propositions worldwide.
All aspects of O&G field appraisals and developments covering entire lifecycle from discovery to abandonment. Project Decision Executive.
Staff and Skill-pool management.
Decision Quality Coach to leadership, Industry Mentor and Facilitator.
Specialist Petroleum Due Diligence - focus on I/EOR
Andrew Parker
35+ years in diverse roles and global locations delivering value through improved and enhanced recovery.
Subject Matter Expert in Waterflooding and cEOR
Specialised in:
-Development and Management of Hydrocarbon Resources for economic recovery.
-Passionate Trainer/Coach in I/EOR processes (Waterflooding and Chemical EOR).
Principal Well Construction Equipment & Services
Kiattisak Petpisit
30+ years international oil & gas well construction equipment and services business including 9 years experience in developing corporate strategy and 3 years in leading global low carbon solutions corporate initiatives.
Derives actionable insights from engineering understanding, operational experience and business management skills. Expertise includes technical due diligence, strategic planning and partnership with a demonstrated record of corporate strategy formulation, international operation startups and business turnarounds.
Principal Geoscientist - Due Diligence
Jean-Yves Chatellier PhD, MBA, P.Geol.
40+ years Exploration and Production geosciences roles around the world with Oil & Gas
discoveries in Central North Sea, Venezuela (2 giants), Western Canada and USA (Kansas).
Past and present Lecturer on structural geology and geochemistry for AAPG, IAS and CSPG as well as geology for engineers for SPE and CEGA
Specialized in:
-Exploration and production in structurally complex areas
-Multidisciplinary specialist integrating geology, geophysics, geochemistry and engineering.
Principal Exploration Consultant – Due Diligence
Jan Schreurs
Regional Play assessment, Thermal modelling and remote sensing advisor.
40+ yrs experience Upstream international Oil and Gas.exploration across the board from new ventures (Iraq, Mozambique, Madagascar, Kenya, Tanzania, South Africa) to assessment of remaining prospectivity in proven basins (North Sea, Brunei, Egypt, Oman), seismic interpretation, basin-scale thermal modeling, geochemistry, structural geology, geothermal and natural hydrogen.
Principal Geomechanics Consultant – focus on CCS and Coupled Geomechanics
Chee Phuat Tan PhD
39 years of petroleum geomechanics experience with proven track records in technical service, operation, R&D and academic, and internationally recognised all-rounded subject matter expert in CO2 geological storage containment/integrity, reservoir/completions integrity coupled geomechanics and wellbore-centric geomechanics.
Extensive experience with result-oriented project outcomes in Asia, Australia and Middle East, and managed/worked on projects in Africa, North and South America, Russia and Europe.
Deep passion in Sustainability for Future Generations and a prominent CCS Geomechanics expert. Served as a SPE Distinguished Lecturer for 2024-25 Tour Season on Mitigation of CCS Geomechanical Risks.
Passionate course trainer for knowledge transfer and mentorship in competency development of younger generations in geomechanics.