ZEST-O ORANGE JUICE DRINK, 1990 Print Ad. The country’s best selling juice drink was conceived by self-made magnate Mr. Alfred M. Yao, who rose from humble beginnings to become the founder of one of the most successful homegrown business in the country today. Mr. Yao took over the care of his family at age 12, when his father died. Five years later, the young entrepreneur who did not even finish high school, took a bank loan of Php3,000 to put up a printing press, which proved to be very…