Maria Imaculada Guterres (Macu) is a public health professional and women's health advocate from Timor-Leste with over 20 years of experience in maternal, newborn and child health, nutrition, and breastfeeding promotion. She currently serves as the Chief Executive Officer of the Alola Foundation, one of Timor-Leste's leading organizations dedicated to advancing the rights and well-being of women and children. She is also currently pursuing a Master of Public Health (MPH) degree at Atlantic International University (AIU), Hawaii.

Macu began her career as a nurse after completing her nursing studies in Eastern Indonesia and later earning a degree in Public Health from UNPAZ University in Dili. Before joining the Alola Foundation in 2005, she worked with BETHESDA and the National Hospital Guido Valadares, and subsequently with the United Nations Mission of Support in East Timor (UNMISET), gaining valuable experience in clinical and humanitarian health services.

Since joining Alola Foundation, Macu has held several leadership roles, including National Breastfeeding Association Coordinator, Maternal and Child Health Coordinator, and Maternal and Child Health Program Manager, before being appointed CEO in 2020. She has been a strong advocate for breastfeeding and infant nutrition and has played a key role in advancing policies and programs that support mothers and children throughout Timor-Leste.

As an Infant and Young Child Feeding (IYCF) National Trainer, Macu has trained numerous health professionals, including nurses, midwives, and nutritionists. She has also been instrumental in strengthening Mother Support Groups and promoting the Baby-Friendly Hospital Initiative (BFHI), supporting the accreditation of the National Hospital and several municipal hospitals as Baby-Friendly Hospitals.

Macu represents Timor-Leste in regional and international health networks, including the International Baby Food Action Network Southeast Asia (IBFAN SEA). She is a member of the Union for International Cancer Control (UICC), serves on Timor-Leste's National Committee on Breast Cancer, and currently chairs the Scaling Up Nutrition Civil Society Network of Timor-Leste (SUN TL CSN). Through her leadership and advocacy, she continues to promote breastfeeding, nutrition, and women's health at national, regional, and global levels.