Assistant trust officer Far East Bank & Trust Corporation, Philippines, 1964-1970. Trust officer Consolidated Bank & Trust Corporation, Philippines, 1970-1974. Vice president corporation planning Valderrama Management Corporation, Philippines, since 1975.
Executive vice president Valderrama Arroyo Securities Corporation, Philippines, since 1976. President, chief operating officer Equitiworld Stockbrokers Inc., since 1987. Director, chairman board Preferred Properties, Inc., Philippines, Supreme Commodities Inc.
Director, president Atkins Fairchild International Corporation, United States of America, director several other corporations Founder, trustee Foundation for Educational Evolution and Development, Inc., Philippines, since 1979. Member National Movement for Free Elections, Philippines, since 1983.