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Shannon Castro

Emissions Research Analyst, S&P Global Commodity Insights

Shannon Castro is an emissions research analyst in Energy and Natural Resources at S&P Global Commodity Insights, where she focuses on North American upstream GHG estimations.

Shannon brings three years of experience in Lower 48 upstream unconventionals, with previous focus on regional benchmarking of operators, completion design evolution, and subsurface overview. She utilized her background to evaluate geologic drivers behind productivity trends and to generate decline curves. Now, she is applying this experience to the emissions sector. Shannon continues work with performance benchmarking, integrating datasets, and research-driven modelling calibrations.

Shannon holds an undergraduate degree in geophysics from Texas A&M University and a graduate degree in subsurface geoscience from Rice University, US.

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