Alejandro Calvillo Unna is the founder and director of El Poder del Consumidor, a civil society association defending consumer rights in Mexico. Focused on the obesity epidemic, the association advocates for a ban on marketing of junk food to children, minimum nutritional standards for foods sold and distributed in schools, and a law mandating easy to understand labeling of food products. Prior to this, Unna was the director of Greenpeace México. He is a member of The Lancet's Obesity Commission and has participated in Pan American Health Organization advisory groups. Unna was recognized as a 2019 health champion by the National Institute of Public Health of Mexico.