Our Founders/Practice Leads
Darrell Rangnow
Value Chain and
Operational Effectiveness
Darrell Rangnow has 35 years of experience in the energy industry, as both a management consultant and an operator. In his career, he has completed over 300 consulting assignments and published or presented over 30 papers and presentations in the energy and LNG industry. Mr. Rangnow is a highly experienced facilitator, oral and written communicator and analyst.
> Request Darrell's CV
Jack Davis
LNG and
Performance Improvement
Jack Davis is a senior-level consultant with worldwide experience in providing consulting, product development, and project delivery services for the petroleum downstream vertical that includes experience in all aspects of the downstream petroleum supply chain from crude selection through to fuels delivery at the station.
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Our Practice Leads
David Turner
R2E Asia/Pacific
All Practices
David has 33 years’ experience in the hydrocarbon process industry including upstream, midstream and downstream, general management, business development, program and project executive sponsorship, quality assurance and management, plant operations, start-up and commissioning.
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Y. Ramaswamy
Dr. Ramaswamy has over thirty years of experience in the energy industry, with over 15 years of work experience in the Middle East. He has managed the implementation of large scale Integrated systems in Petroleum and Chemical Companies (Multiple sites, Multi-technology) and performed numerous Master Plan studies.
> Request Ram's CV
Alberto Bremauntz
Energy Management
Practice Lead
Mr. Bremauntz has 25 years of significant technical executive experience in business and operational consulting and project implementation in the Energy and Chemical Industries.
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Our Consultants
Rafael Bolivar
Chemical Engineer with 30+ years working in the Oil & Gas, Refining and Petrochemical industry in operating, engineering, and consulting firms.
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Bernard Conseil
Mr. Conseil has over 30 years’ experience in the Refining and Petrochemicals Industry. He held several positions in all aspects of refining such as production accounting, performances follow-up, planning and scheduling, crude purchase, operations, energy management, technical support and synergies development.
> Request Bernard's CV
Joe DeSouza
Mr. de Souza has over 25 years of experience in process engineering, advanced process control, business consulting, energy management and optimization in the Energy and Chemicals industries.
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Linus Hakimattar
Mr. Hakimattar has 20 years of experience in providing consulting, business case and benefits analysis in support of technology project and product development services for the oil and gas industries.
> Request Linus' CV
Charlie LeRoy
Charles F. LeRoy adds his 39 years of executive and technical leadership in the oil refining and petrochemical industries to the team at R2E. His areas of expertise include refinery operations and operational excellence, all aspects of technical services.
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Tony Massimo
Professional project engineer and software developer with 22+ years of IT experience in full life cycle of IT projects including business analysis, project estimation, functional requirements, analysis, design, development, implementation and training.
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Wilmer Manzanilla
Wilmer is a highly experience system engineer with experience as project engineer conducting Enterprise Information System and Operation Management projects for the Oil & Gas industries. He has functional experience in business process design, requirements development, systems design and implementation and systems integration.
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Marc Valleur
Marc has 40 years of experience in the Downstream and Upstream Oil & Gas industries, Chemicals, Petrochemicals. This includes years of practical experience in gas plants, oil refineries, on shore oil and gas fields, ethylene plants, GTL and LNG plants.
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Joe Wone
Joe has in excess of 35 years’ experience in the arena of Asset/Plant Management, both from an operational and consulting perspective.
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Paul Horrell
Paul is an experienced business manager and leader in supply chain and process engineering management with diverse experience in the project menagement, deployment and continuous improvement of IT enabled solutions . This experience built over 28 years has been successfully leveraged in managing the scope, design, integration and implementation of enterprise and business tool solutions for the energy, engineering, retail and supply chain sectors.
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Graham Holland
Graham joins Resources2 Energy from the Singapore LNG Corporation where he has worked for the past 6 years on the development and implementation of Singapore’s first LNG import terminal. In the role of Vice President (Strategy & Risk) Graham was responsible for the company’s strategy, business planning and risk management activities, the tendering and contracting for the design and construction the land based terminal and its associated consultancy and advisory services, and the procurement of all goods and services required to support the operation and maintenance of the terminal.
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