Gianna is a former Senior Vice President for Corporate Affairs at Far Eastern University who remains active in her roles as trustee and officer in the FEU group of schools. These include FEU Roosevelt, the FEU Public Policy Center and the Foundation for Information Technology Education and Development (FIT-ED), among others.
She is Co-Founder and President of Hands on Manila Foundation, Inc., a volunteer organization for community-driven programs, which is affiliated with Points of Light (POL), USA. She currently holds the position of Co-Chair of the Asia and Australia Region.
A lawyer who was active in the profession for over 15 years, she served as Philippine Honorary Consul to the Republic of Peru from 1994 to 1996.
Gianna is also an Education Commissioner of the UNESCO National Commission of the Philippines (UNACOM) under the Republic of the Philippines Department of Foreign Affairs.
This prestigious role reflects her enduring commitment to advancing education, cultural heritage and lifelong learning in the Philippines.