Liliana Diaz

Colombia |  Senior Director, APCO Worldwide


Liliana Diaz is a senior director at APCO Worldwide in Washington, DC. At APCO, she leads the climate and biodiversity practice in North America.

Diaz is an international energy economics and policy expert with a track record delivering strategic advisory services and actionable solutions for companies, investors and governments as they address climate change and navigate the transition to a zero-carbon economy. She brings economic and commercial expertise in the energy and climate space with a focus in decarbonization strategies, levers, and technologies as well as energy and environmental policy frameworks and regulations. An innovative thinker, problem solver, and avid learner, Diaz deploys her expertise to advise clients on complex technical, economic, policy, regulatory, and political issues across global energy and environmental markets.

Prior to joining APCO, as a sustainable growth platform principal and senior expert with McKinsey, she provided strategic advice for clients worldwide with a particular focus on net zero strategies and emerging clean technologies deployment, including low carbon hydrogen and carbon management technologies. She was also formerly a managing director with FTI Consulting, providing strategic and economic advisory services including economic and commercial analysis, regulatory and market assessments, cross-border and local due diligence, strategic investment, international carbon credit assessment, asset valuation, and dispute resolution expert opinions. Earlier in her career, she was a member of the energy and climate practice at Berkeley Research Group and Navigant (now Guidehouse) and provided both management consulting as well as economic and financial advisory services to energy companies, investors, and governments.

Diaz is also an adjunct professor of energy, climate policy, and markets in the Americas at the Paul H. Nitze School of Advanced International Studies (SAIS) at Johns Hopkins University and a lecturer and contributor with leading energy industry conferences and journals on the development of energy sources and markets as well as clean technologies and innovation. She holds an MA and a PhD in international economics and energy policy from SAIS and a BA in finance and international affairs from Universidad Externado in Colombia. She speaks English, Spanish, and Portuguese.

Diaz was an event speaker at the Dialogue.

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