Our People
Our people
Alessandro Agosta
Senior Partner, Milan
Advises and develops natural-gas and liquefied-natural-gas (LNG) companies across Africa, Asia, Europe, and North America.
Nikhil Ati
Senior Partner, Houston
Advises clients of the oil and gas industry with particular focus in exploration and production operations.
Justin Dahl
Partner, Houston
Brings expertise in overall capital project development and delivery to a diverse group of owner companies.
Arnout de Pee
Partner, Amsterdam
Brings in-depth strategy and transformation expertise in the energy sector serving global leaders; leads work in hydrogen.
Dumitru Dediu
Partner, New York
Helps leading energy and capital-intensive companies with shaping their strategies and work in M&A and digital.
Luciano Di Fiori
Partner, Houston
Advises clients on strategy and M&A across North American unconventional resources and co-leads Energy Solutions.
Jad Dib
Partner, Dubai
Leads the Oil & Gas Practice in the Middle East, advising global energy leaders on upstream and downstream strategy.
Tim Fitzgibbon
Senior Expert, Houston
Serves petroleum clients around the world, drawing on deep specialist expertise on refining strategy and market economics.
Peter Gaius-Obaseki
Partner, Lagos
Serves public and private sector institutions in the energy sector across Africa and emerging markets.
Christopher Handscomb
Partner, London
Leads our work globally on organisation for players in the energy industry, and supports enterprise agile transformations.
Erikhans Kok
Senior Partner, Houston
Leads our Capital Excellence practice globally, advising clients on capital productivity, operations, and strategy.
Azam Mohammad
Senior Partner, Singapore
Co-leads GSI’s Asia-Pacific Operations Practice and leads our Asian Energy Practice.
Ashwin Mohandas
Partner, Houston
Advises energy companies and investors on AI-led transformations, operational excellence, and decarbonization.
Aalia Ratani
Partner, Western Canada
Advises energy companies on capital excellence, operations, strategy, transformations, and organizational design.
Ole Rolser
Partner, Amsterdam
Helps energy companies develop future-looking strategies that anticipate trends across fuels, industries, and regions.
Brian Roth
Partner, Minneapolis
Leads operational improvements and transformations for oil and gas, processing, and commodity facilities.
Assem Shamisheva
Partner, Astana
Supports natural resources and energy sector clients through expertise in business strategy and digital transformations.
Gustaw Szarek
Partner, Warsaw
Expert in strategy, transactions, and new technology implementation in the energy, oil and gas, and chemicals sectors.
Khoon Tee Tan
Managing Partner and Senior Partner, Jakarta
Leads the Indonesia office and brings transformational change expertise to energy clients across Asia.
Christian Therkelsen
Partner, Oslo
Shapes value-creation agendas and drives performance transformations with clients in energy and basic materials.
Otto van der Molen
Partner, PAX, Amsterdam
Helps oil and gas clients achieve high-impact performance transformations in operations excellence and PAX solutions.
Andrew Warrell
Partner, Washington DC
Leads commodity trading and risk initiatives for the Americas and globally for oil and gas.
Connect with our Oil & Gas Practice
Contact directly with our senior partners to discuss opportunities and challenges in the oil and gas sector.