Margaret Gaisano Ang has been a Director and Corporate Secretary of MRSGI since August 28, 2003.

Concurrently, she holds directorship posts at Vicsal Development Corporation, Taft Property Venture Development Corporation, Vicsal Securities and Stock Brokerage, Inc., Filipino Fund, Inc., Grand Holidays, Inc., Manila Water Consortium, Inc., and Maric Ventures, Inc.

Gaisano-Ang earned her Bachelor of Science degree in Commerce, major in Accounting (Cum Laude), from the University of San Carlos and has completed several courses at the Institute of Corporate Directors.