Dr. Gia B. Sison is a practicing medical doctor specializing in Occupational Medicine and is a graduate of the University of Sto. Tomas. She herself is a breast cancer survivor for almost four (4) years now and is currently the Philippine Leader for Livestrong Foundation and the National Adviser of the Youth for Mental Health Coalition. She is the former Chief Medical Officer of Global Telehealth Incorporated and a co-founder of #HealthXPh which promotes the responsible use of social media in healthcare amongst others. 

Dr, Sison was a previous project consultant to the World Health Organization Western Pacific Regional Office on Health Lifestyle in the Workplace. She is currently the Head of Makati Medical Center’s Women Wellness Center. She is a staunch mental health advocate and life and leadership blogger at her personal page entitled Sand and Stone at http:///www.giasison.com and her brainchild Unsaid Feelings at  www.unsaid-feelings.com which serves as a platform where individuals can write and let their feelings out with no judgment.

Dr. Sison also hosts her own digital series on CNN Philippines, G Talks which talks about life, love and anything mental-health related. She is also the resident doctor of Boys Night Out at Magic 89.9 FM radio.