Native to Chile, Iris Fontbona married Andronico Luksic and had three children with him. Her husband was the creator of one of the world's top copper mining companies known as Antofagasta. After his death, she took over the running of the company and Andronico Luksic's wealth. Currently, Iris Fontbona has an estimated net worth of $17.4 billion. This makes her the richest person in Chile and the 32nd richest person in the world according to Bloomberg magazine.
Presently, several of her children work with Antofagasta. The company was originally purchased in 1980 by her husband. At the same time, he also purchased control of the Bolivia Railway Company. Since the purchase, her husband worked to create some of the lowest cost mining operations in the world. It originally focused on locations like El Tesoro and Los Pelambres. Since that time, the business has expanded into railway operations, banking and finance. The main mine for the company today is the Esperanza mine.
This Chilean mine produces copper and gold. In addition, Antofagasta works to actively expand exploration throughout Africa, North America, Australia and South America. Annual revenues from Antofagasta exceeds $4.5 billion. Iris Fontbona works to run the company and has also donated to causes that help Chilean people with disabilities.