Meet the Team



Ramon San Pascual, MPH, Director

A population, health, and environment policy advocate, Ramon brings with him years of experience working in civil society organizations (CSO) engaged in social development work, and has dedicated many years on policy development, advocacy and working with policy-makers and stakeholders  on population, health, environment and sustainable development issues. 

Having worked with an extensive network of parliamentarians, health professionals, community and civil society leaders, he has helped form and strengthen coalitions of advocates upholding health and social justice in the Philippines and across the Asia Pacific region. 

He served as Executive Director of the Asian Forum of Parliamentarians on Population and Development (2012-2015), Executive Director of the Philippine Legislators’ Committee on Population and Development (2005-2012), and until recently, as Head Executive Assistant and Division Head of the Legislative Liaison Division of the Philippine Department of Health (DOH). 

A Bachelor of Political Economics graduate from the Polytechnic University of the Philippines, Ramon obtained his Masters in Public Health in 2007 from the University of Washington in Seattle, WA. USA. Alongside MPH, he also completed Certificate Program on International Health.  Earlier in 2003-2004, He also finished Population Leadership Program as a Gates-Packard International Fellow also at the University of Washington. 


Mary Joyce C. Lanuza, Deputy Director

Joyce is in charge of HCWH-Asia’s organizational, administrative, and financial management.  

She brings with her over 10 years of experience in financial and administrative management from her work with various donors such as Generalitat Valenciana, Philippines-Australia Community Assistance Program-PACAP, European Commission-EC and The Spanish Agency for International Development Cooperation-AECID, and Strategic Approach to International Chemicals Management –SAICM. Her previous organizations includes ACF International – Philippine Mission and the United States Peace Corps in the Philippines.  

She earned her Bachelor of Science in Accountancy from the National College of Business and Arts.    


Faye V. Ferrer, GGHH Coordinator

Faye coordinates the Global Green and Healthy Hospitals campaign in the region. 

For seven years, she led the Safer Chemicals Campaign in Asia. She also led the first Southeast Asian Mercury-Free Health Care Conference held in the Philippines in 2006. She was responsible for the documentation of the 2004 Philippine Measles Elimination Campaign. The documentation proved that a nationwide vaccination program is possible without resorting to incineration of immunization waste. 

Over the years, Faye has built a portfolio of services with other non-government organizations such as the Citizen's Alliance for Consumer Protection, the Legal Rights and Natural Resources Center-Kasama sa Kalikasan, Greenpeace Southeast Asia, and the Clean Energy Tour of Southeast Asia. 

Faye studied Journalism at the Polytechnic University of the Philippines. A photographer and journalist at heart, she finished her Diploma in Photojournalism at the Konrad Adenauer Asian Center for Journalism at Ateneo de Manila University. 


Moresa S. Tolibas, GGHH Sustainability Coordinator

Moresa works closely with Faye as the Sustainability Coordinator for the Global Green and Healthy Hospitals campaign. She builds and maintains relationship with members and encourages the documentation of hospital initiatives through collectively written case studies for GGHH. 

Before joining HCWH-Asia, she was involved in projects concerning children, disaster management and environment. In her previous work, she was part of a team that advocated the elimination of lead in paint for healthier children and safer environment. She loves interacting with different people, especially children. 

She earned her BS in Environmental Planning and Management in Miriam College and is currently taking an MA in Education Major in Special Education in St. Joseph College.


Ayesa L. Enrile, Environmental Health Campaigner

Ayeth handles the region’s campaigns on both medical waste and safer chemicals. 

She conducted the nationwide survey on the compliance of hospitals to Philippine Department of Health’s Administrative Order 21, requiring the phase-out of mercury containing medical devices.  She also coordinated the project Strategic Approach to International Chemicals Management - Quick Start Program (SAICM-QSP) which piloted two Philippine hospitals in chemical substitution and management through the development of training module and laboratory test protocol. 

Prior to joining HCWH, Ayeth was a health care provider, researcher, trainer, and advocate of complementary medicine among community-based health programs for almost a decade.  She holds a Bachelor of Science in Nursing and is a licensed acupuncturist by the Philippine Department of Health (DOH). 


Paeng Lopez, Healthy Energy Initiative Campaigner

Raphael Lopez is widely known as Paeng in the local environmental justice movement. An environmental advocate since his youth, Paeng has been in the environmental movement since his college days, and had worked as youth convenor, community organizer, project coordinator, and researcher for various conservation organizations. 

He has built a career centered on forging alliances and coordinating networks in the Philippine environment and social justice circles as well.Even before joining the team, Paeng had already been collaborating with HCWH-Asia on various campaigns promoting clean air and healthy environments, first with EcoWaste Coalition and, later, with Global Alliance for Incinerator Alternatives (GAIA).

As Program Officer of GAIA, Paeng led its policy work on banning plastic bags as well as defending and enforcing the Ecological Solid Waste Management Act and the Clean Air Act. He also helped lobby for the inclusion of ecological solid waste management as mitigation and adaptation initiative in the National Climate Change Action Plan of the Climate Change Commission.Paeng obtained his Bachelor of Laws from the Far Eastern University and his Bachelor of Arts in Philosophy from the University of Sto. Tomas.


Mary Ann S. Lustresano, Project Associate

Ann works with Dr. Guinto in campaigning for sustainable and cleaner sources of energy under the Healthy Energy Initiative campaign.

A registered nurse, she has actively participated in various youth-initiated projects: as a delegate in the 2012 Youth Consultation for a Post-2015 Framework of Millennium Development Goals  and as one of the proponents of the project “Sign for Health,” which was shortlisted in the 8th UNESCO Youth Forum Action Projects in Asia and the Pacific Region in 2013. She was an International Citizen Service Youth Volunteer for the non-profit group VSO Bahaginan and served as project assistant for the Association for Aid and Relief Japan for Human Assistance for Typhoon Haiyan.

She earned her Bachelor of Science in Nursing from the University of Sto. Tomas.




Ma. Paz "Pats" Oliva Communications Campaigner

Ma. Paz is widely known as Pats to her colleagues in both the private and development sectors. Pats is an accomplished Media Campaigner and Communications Manager offering more than 5 years of experience in developing, managing and implementing complex and functional projects in various fields.

She grew up in a household that advocates for basic human rights like access to education, fair employment, preservation of culture and environmental justice.  Pats has conceptualized and led communications campaigns and brand marketing for various peoples organizations and private companies before joining Health Care Without Harm - Asia.

She believes that an effective communications campaign involves extraordinary visuals and narrative.




Kris S. Evangelista, Administrative and Research Associate


Nefritiri M. Mendinueto, Finance and Administrative Support

As part of the Administrative team, Nefri assists Joyce and the entire Administrative team to ensure the smooth implementation of financial accounting policies and procedures. Both a Registered Nurse and an Accountancy major, she has performed administrative, accounting, and HR-related support working for both non-government organizations and private companies.



Antony A. Esguerra, Bookkeeper

Antony works closely with Joyce and is responsible for bookkeeping and keeping the financial aspect of HCWH-Asia moving smoothly. He prepares and reconciles monthly balance sheet accounts schedules and does bank reconciliation.