J. Sebastián Leiva is a Behavioral Design Intern in The Living Lab for Equitable Climate Action. He supports research efforts to identify and design impactful behavior change interventions and policies on food, transport, and energy.

Prior to joining WRI, Sebastián worked as the Program Coordinator for a University of California, Los Angeles' research initiative where he managed a portfolio of governance and natural resource projects in Sub-Saharan Africa. He was also a Senior Research Associate at Innovations for Poverty Action in Colombia, where he led and assisted the implementation of impact evaluations on financial inclusion, formalization, and crime.

Sebastián is pursuing an M.P.A from Princeton's School of Public and International Affairs. He holds a M.Sc and B.S in Economics from Universidad de los Andes in Colombia, his home country.

Sebastián currently lives in Mexico City where he is trying to learn how to dance salsa and bachata.