Jason Fox, Bracewell’s head of international practice, has almost 40 years of experience as an energy finance lawyer. He focuses on the upstream sector and has advised on over 200 reserve-based lending (RBL) financings, as well as numerous other financings in the wider energy sector. He is ranked Band 1 in Chambers UK in both Energy and Natural Resources: Oil and Gas and in Asset-Based Lending.

Ranking publications acknowledge Jason’s leading position as an adviser in the energy finance sector. "Jason is the best finance lawyer in London," Chambers UK (2026). "He has an unmatched reputation in the sector." Chambers UK (2026). "Jason Fox is the godfather of reserve-based lending," Chambers UK (2025). He is “an icon of the oil and gas banking landscape,” Chambers UK (2025). "He is the leading reserve-based lending lawyer in the market," Chambers UK (2023). "He is the god of RBL and upstream finance,” Chambers UK (2023). He is the "first choice lawyer for any energy-related deal," The Legal 500 United Kingdom (2021). Jason is the "guru of oil and gas bank financing" and "the king of reserve-based lending," Chambers UK (2018). He is "exceptionally experienced on reserve-based lending work for upstream oil and gas exploration," Chambers UK (2016). "Jason Fox is ‘the go-to lawyer and first on the list when considering any new instruction.’" IFLR (2016). "Jason Fox has ‘extraordinary credentials, he is the pre-eminent practitioner in reserve-based financing,’" The Legal 500 United Kingdom (2016).