Iñigo Zobel chairs Top Frontier Investment Holdings, a conglomerate that is active in fields such as packaging, mining, real estate, and food and beverage.

Besides being the head of Top Frontier Investment Holdings, Iñigo also leads seven other companies; he is the Chairman and President of IZ Investment Holdings, Inc., Chairman and President of Zygnet Prime Holdings, Inc., President & Chief Executive Officer at Enrique Zobel, Inc., President for Ayala España SA, President & Director at Calatagan Golf Club, Inc., President of Hacienda Bigaa, Inc., and Vice Chairman & President at Manila North Harbour Port, Inc.

Iñigo formerly held the position of President at Diamond Star Agro Products, Inc. The business tycoon was also the President and Chief Operating Officer of PAL Express.