F ranz Viegener is an Ecuadorian billionaire and a member of the family that controls Grupo Eljuri, one of Ecuador's largest and most diversified private conglomerates. The group has a vast and sprawling portfolio of businesses with interests in a wide range of industries, including automotive, banking, manufacturing, and retail.

The Eljuri family's business empire is a dominant force in the Ecuadorian economy. They are the country's largest car distributor, with the rights to a number of major international brands. They also have significant interests in banking and ceramics manufacturing. Franz Viegener is a key member of the controlling family, and his wealth is derived from his stake in this powerful and long-standing family-owned enterprise.