Debnil leads the team of analysts responsible for short and long-term downstream refined product supply, demand, and margin outlooks for North and Latin America. Since joining S&P Global (Now part of S&P Global) in 2012, he initially led the North American natural gas liquids team where he created the company's proprietary long-term ethane analytics price, supply, and demand forecast model. The model can be utilized to quantitatively link and provide insight on ethane supply/demand to long-term pricing and is utilized by clients to make large capital decisions for petrochemical assets globally.

In his current role in refining, Debnil and his team focus on refined product market forecasting and price forecasting. He led the Light and Heavy Naphtha service creating the proprietary refining, NGL, petrochemical supply, demand, and price forecasting models for the service. Recently, Debnil was instrumental in the development of views of supply, demand, and refinery rationalization during the COVID-19 crisis and continues on-going work to aid clients to navigate market fluctuations due to the virus.

In addition to his research responsibilities, Debnil has been involved in several consulting projects for refined product market, pricing, and new market entry strategy studies for clients in the U.S Gulf Coast, Eastern U.S., Atlantic Basin, Caribbean, Latin America, Europe, CIS, Africa, Middle East, and Asian markets. Additionally, he has worked closely with private equity and upstream clients to perform project feasibility studies for various oil and gas assets. Debnil has evaluated potential merger, acquisition, and divestiture opportunities. His work included screening of potential assets, specific facility evaluations, and due diligence activities.

Prior to joining S&P Global, he was a Senior Market Analyst for Valero where he provided strategic planning and market analysis support for downstream, renewable, and retail assets globally. Debnil also worked as a Process Engineer for KBR, Bechtel, and the US government where he worked with clients domestically and globally to develop new refining, chemical, and nuclear technologies. Debnil holds a BS in Chemical Engineering and Certificate in International Affairs from the Georgia Institute of Technology, a MS in Predictive Analytics and Data Science from Northwestern University, and an MBA from Rice University.