About BPS

Leading integrated geoscience and petroleum systems services across Latin America and beyond.

We are a leading integrated geoscience and petroleum systems services company, delivering high-level geochemical, geological, and geophysical expertise across Latin America and beyond.

Our team brings together decades of experience in exploration, appraisal and production services and consultancy, combining deep technical knowledge with a strong understanding of basin evolution, petroleum systems and data-driven decision-making. Through advanced analytical capabilities and multidisciplinary integration, we support operators and investors in reducing uncertainty and unlocking exploration value.

With a strong presence in Brazil, Latin America, and West Africa, we operate at the intersection of science, technology and strategy, providing trusted insights across the full E&P lifecycle.

Meet our team

World-class experts bringing decades of experience in petroleum geoscience, exploration, and strategic energy solutions

Marcio Rocha Mello, PhD

President

A recognized leader in petroleum geoscience, Dr. Marcio Rocha Mello has more than 40 years of experience in the petroleum industry and is widely regarded as a pioneer of petroleum system analysis in Latin America and West Africa. He founded Petrobras’ first Center of Excellence (CEGEQ), founded HRT Petroleum, and has been a key contributor to several major exploration initiatives in Brazil, including the Pre-Salt, as well as in West Africa, including Namibia.  A multiple-time recipient of awards from the AAPG and ABGP, he founded BPS in 2018 with the vision of bringing together Brazil’s top E&P professionals to advance the understanding of complex petroleum systems and support strategic exploration worldwide.

Marcos Ferreira, MSc

Administrative & Financial Director

With a strong background in chemistry and management, Marcos brings over 40 years of executive experience in the energy, petroleum, and environmental sectors. He has held senior leadership roles in major companies, including Exxon, Chevron, BP-Castrol, and several utility companies. His expertise spans corporate strategy, operations, and market positioning.

Wagner Peres, PhD

Exploration Director

With a strong background in chemistry and management, Marcos brings over 40 years of executive experience in the energy, petroleum, and environmental sectors. He has held senior leadership roles in major companies, including Exxon, Chevron, BP-Castrol, and several utility companies. His expertise spans corporate strategy, operations, and market positioning.

Vladimir Elias, PhD

Organic Geochemistry Applied to Petroleum Exploration and Environmental Sciences Director

Dr. Vladimir is an internationally recognized expert in petroleum geochemistry and environmental services, with more than three decades of experience in research, laboratory management, and applied surface exploration. He has led geochemical programs for major oil companies and academic institutions and has authored numerous scientific publications. His expertise spans organic geochemistry, advanced analytical methods, and microbiological techniques.

Oswaldo Pedrosa, PhD

Reservoir and Production Director

Dr. Pedrosa is a former CEO of Pré-Sal Petróleo S.A. (PPSA) and a senior Petrobras executive with extensive experience in field research, development, production management, and regulatory frameworks. He has played a central role in some of Brazil’s most significant E&P projects and brings deep strategic insight into large-scale offshore developments.

Hans Kemna, PhD

Basin Modeling - Petroleum Systems Analysis (PSA) - Director

Dr. Hans Kemna is an internationally recognized expert in Petroleum Systems Modeling (PSM). With more than 20 years of worldwide experience, he has contributed to numerous exploration successes. He is an expert user of the market-leading software packages for PSA/PSMHis work integrates geochemical, geological, and physical (P/T) modeling to reduce uncertainty across frontier and mature basins at all scales, from basin screening to prospect maturation.

Mike Moldowan, PhD

Petroleum Geochemistry Director

A pioneer in organic geochemistry, Dr. Moldowan is one of the most influential scientists in the field worldwide. Formerly a professor at Stanford University and a long-standing leader at Chevron, he has authored more than 200 scientific publications and co-authored The Biomarker Guide. His contributions have fundamentally shaped modern petroleum geochemistry on a global scale.

Jeremy Dahl

Petroleum Geochemistry Specialist

Dr. Jeremy Dahl has over 30 years of experience in the petroleum industry, first with Chevron Research and later as a consultant and research scientist at Stanford University. His work predominantly centers around developing and applying geochemical applications for exploration and production.  He is probably the world’s foremost expert on petroleum diamondoids.  He has over 200 publications, many in the top scientific journals, including Nature and Science, and has over 35 granted patents.

Álvaro Piquet, Dr.

Legal Director

Dr. Álvaro is a senior legal advisor with extensive experience in corporate, regulatory, and energy law. A professor at PUC-RJ, one of the leading law schools in Brazil and a partner at one of the oldest Brazilian law firms, he brings strategic legal insight to complex energy and infrastructure projects. Alvaro sits on the Board of Directors of major infrastructure companies.

Ana Paula Ahualli, MSc

Analytical & Quality Control Director

With over 25 years of experience in chemical and environmental analysis, Ana Paula leads laboratory operations and quality assurance across Brazil. Her expertise ensures the highest standards in analytical reliability, quality control, quality assurance, regulatory compliance, and laboratory management across BPS operations.

Vanessa Bonanno Haliburton

Communications Director

With a background in journalism and strategic communication, Vanessa plays a central role in managing projects and coordinating strategic initiatives across BPS. She leads corporate communications, branding, and institutional relations while also overseeing cross-functional project execution, internal alignment, and stakeholder coordination. Her experience spans media relations, content strategy, and active project management, supporting the successful delivery of multidisciplinary initiatives across the energy sector.

Saulo Becker

Technical Visualization and Design Director

Saulo brings more than 15 years of experience in digital design, branding, and marketing strategy. His work integrates technology, data visualization, and creative communication to strengthen brand identity and support clear, effective technical storytelling, drawing on extensive experience with georeferenced maps and structured imagery for complex technical and spatial data.

Gilberto Carmo Jr.

Director of Information Technology Director

An experienced IT specialist, Gilberto leads digital infrastructure and data management initiatives. He has been instrumental in developing scalable systems for geoscience data integration, ensuring secure, efficient, and high-performance digital environments for technical teams.

Carlos Henrique Beisl. D.Sc.

Remote Sensing Researcher

Geologist with expertise in data science using remote sensing approaches for applications in the oil and gas industry and wind power generation. Large experience for Petroleum Systems exploration using radar and optical images for hydrocarbon interpretation over offshore and onshore regions in several projects in South America sedimentary basins, the Gulf of Mexico, and the coast of Africa. He has also led renewable energy projects to estimate wind power in offshore regions using geophysical models applied to SAR (Synthetic Aperture Radar) imagery.

Ricardo Marins

Reports Library Manager

With a degree in Chemistry, he worked for 36 years at Petrobras as a Senior Petroleum Chemical Technician, Supervisor in Visual Programming at the first Center of Excellence in Geochemistry (Cenpes), and Operations Technician in the Campos Basin, Roncador.

Milena Duarte

Junior Geologist

Geologist with experience in oil and gas, scientific research, and geological data organization. Works on geochemical analysis and technical support for energy sector projects.

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