César da Silva Kléber
Chief Executive Officer

Mr. César da Silva Kléber is Refined Shale Gas’ Chief Executive Officer and a trained geologist who has been in the resource-extraction industry for over two decades. Most recently, he held the position of Senior Reservoir Engineer at Petrobras, focusing mainly on offshore basins.

César leads our development, formulating both short-term and long-term strategies for Refined Shale Gas and ensuring fluid communication from the experts on the ground to the boardroom so that informed decisions are made.

César graduated from the Universidade de São Paulo with a Master’ degree in Mining Engineering after graduating from the same institution with a Bachelor’ degree in Geology.

Juliana Barros
Chief Financial Officer

Ms. Juliana Barros is Refined Shale Gas’ Chief Financial Officer and has been Refined Shale Gas since the company was formed. Juliana has worked for several successful South American companies such as Empresa Nacional del Petróleo, Bridas Corporation and Enarsa holding various senior management positions, gaining significant experience in financial planning, resource allocation and financial reporting.

At Refined Shale Gas, Juliana has played a leading role in ensuring our financial sustainability as we explore more areas for resources and look to expand our operations internationally.

After graduating with a Bachelor’ degree in Finance from the Universidade Federal do Rio de Janeiro and going on to earn her MBA Economics from the São Paulo School of Economics, she entered the oil and gas industry.

Gabriel Oliveira
Chief Operations Officer

Mr. Gabriel Oliveira serves as Refined Shale Gas’ Chief Operations Officer, managing day to day business and ensuring the flow of information from the ground up.

Gabriel has overseen strategies and development to ensure that we have access to the most advanced industry equipment and machinery. He has established clear policies and set out a vision for our projects and future expansion.

Gabriel Oliveira graduated from the Pontifícia Universidade Católica do Rio Grande do Sul with a Bachelor’ degree in Operations Management.

Callum Ferguson
Chief Geological Officer

Mr. Callum Ferguson is Refined Shale Gas’ Chief Geological Officer, joining the company with a wealth of global extensive field experience and comprehensive industry knowledge.

Callum holds several degrees from European universities. He has a Bachelor of Science degree in Physics from the University of Edinburgh, and his Master’ degree in Geology and PhD in Geological engineering both from the University College London (UCL).

His industry experience is just as extensive. He has carried out several successful large-scale exploration projects for both the United States Government and Government funded ventures from a number of European countries.

Now at Refined Shale Gas, he leads our teams in the field, identifying and establishing areas for exploratory drilling and interpreting results to determine the best locations for initial surveying.