Nathaniel (Nat) Bullard is chief content officer for BloombergNEF, Bloomberg's primary research service on energy, transportation, commodities, and technology. He is also a contributor to Bloomberg Green where he writes frequently on energy, transport, technology, and finance.

He is a regular commentator on Bloomberg TV and has been cited in the New York Times, The Economist, Technology Review and Scientific American. He is also a regular presenter to corporate boards of directors and industry associations on energy, commodities, and climate issues. He is a member of U.S. Commodity Futures Trading Commission’s Climate-Related Market Risk Subcommittee.

He received a Master's Degree from the Johns Hopkins School of Advanced International Studies in International Policy (Energy track) and International Economics, and an ABmagna cum laude from Harvard University.

He is based in Washington, D.C. and was previously based in Hong Kong and San Francisco.