Tammy Klein, J.D., is a globally recognized authority on transport energy and the energy transition. With more than 25 years of experience spanning low-carbon fuels, alternative and synthetic fuels, vehicle electrification, and emerging technologies, she combines legal expertise with deep policy and market insight to help clients navigate one of the most disruptive periods in energy and transport history.

A graduate of Georgetown University Law Center and admitted to the Virginia and D.C. bars, Tammy’s legal background informs her work at every level. She equips Fortune 500 companies, governments, and NGOs with risk-aware, compliance-focused strategies that anticipate regulatory change, avoid costly missteps, and capture new opportunities. She is known for translating complex legal and policy frameworks into clear, actionable business guidance that boards and executive teams can trust.

Tammy is the founder of Transport Energy Strategies, a consulting practice that provides tailored strategic counsel across the fuels and vehicle landscape. She has advised global automakers, oil and fuel companies, financial institutions, and international organizations, helping them shape regulation, structure partnerships, and enter new markets with confidence.

Her ability to integrate legal rigor, technical fluency, and market foresight sets her apart. She guides clients through shifting regulatory regimes, evaluates investment and compliance risks, and helps clients design strategies that balance regulatory demands with real-world business priorities. Tammy is also a member of the Society of Automotive Engineers and a sought-after speaker and writer on the future of fuels and vehicles worldwide.