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Company Profile

About Us

Philippine-based consultancy and services firm with global capabilities and experience in full geoscientific consulting, primarily focused in geothermal industry and in oil and gas wellsite geology. In addition to Power and Energy, we are also serving the Water, Environment, and Mining sectors. We, at PGEI, have business interests with geothermal plant owners and operators, project proponents and developers, government sectors, and other regulatory bodies both locally and internationally. This is why our experience has allowed us to strategically provide individualized and cost-effective solutions to a wide range of concerns and issues that clients are confronted with.

Why Choose PGEI?

Though just founded in October 2012, PGEI’s founding directors and primary consultants have an average experience of about 30 years in the exploration and development of most of the country’s major geothermal fields. Given this experience, we have successfully crafted our world-class expertise in managing and developing geothermal projects, while constantly maintaining maximum efficiency in terms of time and cost. Being comprised of geoscientists and geothermal professionals, we, at PGEI guarantee utmost environmental safety and self-sufficiency of energy when it comes to our geothermal projects. At PGEI, we also believe in collaborative work, which enables us to commit to excellent, synergized, and client-centered service.

Our Team

Orlando O. Maturgo

Managing Director, Senior Geochemist
Expertise: A geologist with over 30 years of relevant involvement in exploration, development and exploitation of geothermal energy. Worked for Philippines’ leading and largest geothermal company – Energy Development Corporation (EDC) for 27 years in various capacities and project locations: Field and Wellsite Geologist, Field and Reservoir Geochemist, Senior Supervisor and Head of Resource Management Department. Has extensive experience in project management, collaboration and leading people to accomplish exploration surveys, resource assessment, drilling, assets performance monitoring & evaluation and steam supply sustainability assessment.

Conrado C. Panem

Director, Geologist and Mining Engineer
A geologist with over 35 years of experience in geothermal exploration geology, structural geology, well design and geological prognosis, well sitting and resource assessment for various geothermal fields in the Philippines and Japan. Mr. Panem worked for PNOC-Energy Development Corporation in 1979-2002. He has done remote sensing, aerial photographs analysis and interpretation for several geothermal prospects in Chile, Peru and Indonesia. His expertise includes geological monitoring of geothermal drilling activities, evaluation and development of drilling strategy, and correlation of subsurface geological data with geochemical and geophysical data.

Jesus B. Pornuevo

Director, Wellsite Geologist and Geothermal Geologist
Expertise: A geologist with extensive experience in field geology and exploration drilling. His expertise includes geologic and structural survey, aerial photo interpretation, remote sensing, well design analysis and geological prognosis, well sitting/borehole logging, and geothermal resource assessment and evaluation. Mr. Pornuevo was a pioneering geologist of PNOC-Energy Development Corporation for its various exploration projects in 1978-1988. He also worked as Field and Wellsite Geologist in different geothermal areas in Kyushu and Honshu islands of Japan in 1988-1996 for New Energy and Development, Inc. and Fujita Corporation.

David M. Rigor Jr.

Director, Geophysicist
Expertise: A geophysicist with more than 25 years of experience in the geothermal exploration in various geothermal fields in the Philippines, Indonesia, Iran, Peru and Chile using Magnetotelluric and Gravity methods. His expertise includes MT and gravity data processing and interpretation (using WinGLink software), and Raw MT time series data processing (using Phoenix Geophysics Ltd. software). Mr. Rigor worked with PNOC-EDC as Seismologist (1982-1995) and as Geophysicist (1995-2012). He was involved in different due diligence studies of several geothermal prospects in Philippines, Indonesia, Chile, Turkey, Iran, Italy, Nicaragua and Kenya.

Nilo A. Apuada

Director, Geophysicist
Expertise: A geophysicist with broad experience on Magnetotelluric (MT), Controlled Source Magnetotelluric (CSMT), Regional and Micro-gravity data acquisition, processing and interpretation. Mr. Apuada worked as Geophysicist in exploration and development projects of PNOC-Energy Development Corporation for 25 years (1980-2005). He was a technical consultant for geothermal interests of Guidance Management Corporation (2006), Filinvest Development Corporation (2007) and Envent Holding Philippines, Inc (2008-2012). He was also the technical and project management consultant of Biliran Geothermal, Inc. (2012-2017) for its development project in Eastern Visayas region.

Sylvia G. Ramos

Director, Geologist/Petrologist
Expertise: A Petrologist with more than 25 years of experience in the energy industry involving geological/petrological evaluation and technical assessments of geothermal, oil & gas, and coal resources in the Philippines, Indonesia, Latin America, and Iran. Her expertise includes hydrothermal alteration mineralogy, fluid inclusion analysis and interpretation, well and pipeline scale mineralogy and management of petrology laboratory operations. Ms. Ramos served as Manager of Integrated Laboratory of Energy Development Corporation (2015-2016), as Executive Assistant to the President and CEO of PNOC-Energy Development Corporation (2006-2009) and as Laboratory Supervisor at the Philippine Department of Energy (1987-1989).

Atty. Francis Roy F. Mendita

Expertise: ATTY. FRANCIS ROY F. MENDITA obtained his Juris Doctor degree at San Sebastian College-Recoletos, Manila, School of Law, and Bachelors Degree in Communication Arts Major in Speech Communication in the University of the Philippines, Los Baños, Laguna. Atty. Mendita started out his legal practice as a Paralegal of Desierto Ammuyutan Purisima and Desierto Law Office and later on as their first ever Associate Lawyer when he was admitted to the Philippine Bar on April 2011where he handled civil, criminal, and administrative cases. In addition, he handled criminal, civil, and commercial cases as a Senior Associate Lawyer in Dulay Pagunsan and Ty Law Offices and even served as corporate secretary of several retainer corporate clients. With an extensive background in corporate law, not to mention his profound litigation experience under his belt, he then shifted focus on corporate law when he transferred to Jaka Investments Corporation and climbed the ranks as a Senior Corporate Legal Counsel. He handled litigation cases and other corporate and legal needs of the company as well as its subsidiaries and affiliates focusing on civil, criminal, labor, and real property cases. With more than fourteen (14) years in the practice of law, Atty. Mendita is now the Head of Legal and Corporate Legal Counsel of PTT Philippines Corporation, the Philippine subsidiary of PTT Oil and Retail Business PLC.

Technical Consultants


Geology: Edmond John S. Pangilinan , Danilo Z. Hermoso, Maria Jhonnie Z. Villareal and Xyza Omac
Geophysics: Jefferson R. Africa
Geochemistry: Dennis R. Sanchez
Reservoir Engineering: Arthur E. Amistoso
Drilling Engineering: Elverico V. Zerna 
GIS/Geomatics: Michael D. Gabriel
Health, Environment and Safety: Josefino C. Adajar
Legal and Government Policy Expert: Atty. Fernando S. Peñarroyo