Ms. Calderon is a Director of Top Frontier (since 2013), the Treasurer (since 2010) and a member of the Executive Committee, Audit Committee and Executive Compensation Committee (since 2013). She holds the following positions in other publicly-listed companies, namely: Senior Vice President-Senior Executive Assistant to the President and Chief Operating Officer (since 2011) and Director (since 2014) of San Miguel Corporation; and Director of Petron Corporation. She is also a member of the board of directors of SMC Global Power Holdings Corp., Bank of Commerce, and Kankiyo Corporation. She is the President and the Director of Total Managers, Inc. She was formerly a Director of PAL Holdings, Inc., Philippine Airlines, Inc., Trustmark Holdings Corporation, Zuma Holdings and Management Corporation, Air Philippines Corporation, and Manila Electric Company. A certified public accountant, Ms. Calderon graduated from the University of the East with a degree in BS Business Administration, major in Accountancy, magna cum laude. In addition, Ms. Calderon holds directorships in various SMC domestic and international subsidiaries.