Executive Office

Renato Redentor Constantino

Executive Director

Red has worked for close to two decades with international environment and development campaigning organizations, spanning South, Southeast, East, and Central Asia. He is the author of The Poverty of Memory: Essays on History and Empire and was part of the anthology Humanity published by Paloma Press.

He contributed to the forthcoming international anthology Letters to the Earth, with Emma Thompson, Yoko Ono and Rebecca Solnit, due November 2019,  and the literary anthology Agam: Filipino Narratives on Uncertainty and Climate Change. He writes for several publications, and his essays on history, memory, environment and development have been translated into several languages.

Arielle Celine Tabinga

Executive Assistant

Celine is helping put together the international edition of the new Agam book, working closely to support Agam Project Lead Padmapani Perez. She is also leading for ICSC work on the Quinta de Alas national memory project while supporting the gender and research needs of ICSC’s urban resilience agenda. Celine is an environmental planning and management graduate of Miriam College with a major in Urban Planning and Green Architecture. She was an intern of Project NOAH (Nationwide Assessment of Hazards), a disaster risk and reduction management program.

Project Management Team

With their inter-disciplinary background, the Project Management Team (PMT) aims to provide a venue for projects and initiatives that promote ICSC’s climate and energy advocacy. The PMT offers a wider scope of different issues acting as common ground for cooperation between stakeholders; from the local, national, and international levels.


Francis Joseph Dela Cruz

Partnerships and Advocacy Advisor

Francis has been a campaigner on various social and environmental issues, including coal and clean energy, for the past three decades. He is also an experienced facilitator and trainer on campaigning, project management and leadership. He first got involved with ICSC in June 2015 by promoting renewable energy solutions in Haiyan-affected areas in Samar and Iloilo. Francis heads ICSC’s project management unit and is the Convenor of Aksyon Klima Plipinas, a national network of over 40 civil society groups working on climate change issues.

Reginald Rex Barrer

Transitions Advisor

Rex is an environmental scientist and planner with more than twenty years of progressive experience in addressing changes in the climate, environment, and in organizations locally and abroad. He holds Masters degrees in environmental science and management, from the Yale School of Forestry and Environmental Studies, and in human resources development, from the University of the Philippines School of Labor and Industrial Relations.

Elainne Lopez

Transitions Analyst

A geodetic engineer by profession, Elainne has worked in flood hazard mapping and geographic information systems (GIS) capacity development for more than four years. As part of the Project Management Team of ICSC, she now works on initiatives geared toward enhanced mitigation, adaptation and resilience from rapid- and slow-onset disasters caused by climate change. She is also pursuing her master’s degree in Community Development, which introduced her to development work.

Maria Celina Paula Valencia

Transitions Analyst

Paula works on transition projects with a focus on low carbon development. Her previous roles in the private sector gave her solid experience in the region’s renewable energy sector, as well as rapport with private and government entities in the national and international levels. She is currently writing her masters thesis on environmental ethics and intergenerational justice.

Climate Policy Team

ICSC’s Climate Policy Team (CPT) works on climate finance and policy through the unit’s three pillars of work: access, accountability, and research. These pillars guide CPT’s vision of an ideal Climate Finance ecosystem wherein different sectors, such as the academe, civil society organizations, national government agencies, and local actors, respectively contribute their expertise in building communities that thrives under the new circumstances brought about by climate change.


Angelo Kairos Dela Cruz

Associate for Climate Policy

As head of the climate policy team, AK works on ICSC’s policy initiatives by innovating strategies that transform policy discussions to positive actions. He led the campaign for the passage of the People’s Survival Fund, and now leads initiatives to help local governments and communities access the Fund. He also leads the organization’s convenorship of GCFWatch, a Southern CSO-led initiative established to help promote and accelerate civil society readiness to engage the Green Climate Fund.

Lourdes Tibig

Climate Science Advisor

Lourdes, a meteorologist and climatologist, is a member of the Climate Change Commission’s National Panel of Technical Experts. She is a lead author of the upcoming Intergovernmental Panel on Climate Change Special Report on the Ocean and Cryosphere in a Changing Climate and was a lead author of Working Group II of the IPCC’s Fifth Assessment Report. She was also previously chief of the Climate Data Section of the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) and researcher of the Manila Observatory.

Danica Marie Supnet

Research Coordinator

Danica leads ICSC’s coordination with local academic institutions to localize the slow-onset events associated with climate change impacts in the country, as well as to craft adaptation proposals with local governments and communities. She also works on the local tracking initiative of climate adaptation finance in the Philippines.

Janssen Mozar Martinez

Climate Policy Analyst II

Janssen tracks climate finance and helps local governments and communities craft adaptation proposals, among other initiatives. He started out in ICSC as a research consultant.

Isabella Mendoza

Climate Policy Analyst I

Isabella joined ICSC in 2016 and worked as the Executive Assistant and Special Projects Coordinator. She is now part of the Climate Policy Team and works with local government units and organizations towards formulating their climate change action and resource mobilization plans.

Energy Policy Team

The Energy Policy Team (EPT) helps advance the campaign to decarbonize the Philippine energy sector, with a sound theoretical footing, by pursuing climate and energy research and conducting technical and economic analysis.


Engr. Jose “Viking” Logarta Jr.

Energy Policy Advisor

A licensed chemical engineer, Viking is one of the country’s top energy economists and is energy policy advisor to both government and the private sector on energy and environment issues in the Philippines and in Southeast Asia. He advises electric cooperatives, other distribution utilities, and renewable energy developers as a partner in Asian Energy Advisors. He currently focuses on solving RE issues and implementation challenges faced by the utilities and generators in the Philippines transitioning to a restructured energy sector.

Atty. Pedro “Pete” Maniego, Jr.

Senior Policy Advisor

Pete is an energy law expert, industrial engineer, economist, management consultant and professorial lecturer. He chaired the National Renewable Energy Board for almost six years. He has over 45 years of experience in senior executive positions in the energy, metals, and other sectors. He also currently advises the Climate Change Commission and chairs the board of the University of the Philippines Engineering Research and Development Foundation.

Angelika Marie David

Research Assistant

Angge is a natural resource economics graduate. She previously worked on projects on sustainable development and ecotourism before joining ICSC. Her current research work focuses on the environmental monitoring and permitting of coal-fired power plants.

RE-Charge Pilipinas Team

The RE-Charge Pilipinas (RCP), established as a post-Typhoon Yolanda initiative by the ICSC, continues to demonstrate renewable energy innovations as their contribution to overall efforts of achieving climate resiliency and community-driven paths towards low-carbon development in the Philippines. 2018 was a very productive year for RCP, where they achieved numerous milestones, together with their partners – women’s groups, local government units, volunteers, private renewable energy providers, state colleges, researchers, and funding partners.


Maria Golda Hilario

Associate for Program Development

Golda has had over a decade of experience in research and policy analysis in the areas of sustainable agriculture, livelihood systems and trade. Before rejoining ICSC, she was the general manager for the Philippine office of a regional institute. She currently supports the social enterprise incubation of RE-Charge and manages ICSC’s agenda on energy access, sustainable energy community application, and gender.

Arturo Tahup

Project Coordinator

Uro is a veteran disaster risk reduction and management (DRRM) practitioner, trainer, rescuer, firefighter, community organizer and coalition builder. He has helped survivors of typhoons and floods in his hometown in Rizal and in Western Samar rise from the ruins and build their resilience. He now coordinates the RE-Charge Pilipinas project, including the Solar Scholars training program, aspiring for the convergence of DRRM, renewable energy, and low carbon development.

Orlando Quesada

Community Outreach Officer

A local of Guiuan, Eastern Samar, Orlan works closely with our partner communities particularly in Guiuan’s Suluan Island; Marabut, Samar; and Tacloban City, Leyte. He is also RE-Charge Pilipinas’ gender person, continuing to provide gender sensitivity orientations to all interns and volunteers.

Prior to being ICSC’s community outreach officer, Orlan has been our gender research consultant and community facilitator in Sulu-an.

Glinly Alvero

Community Outreach and Technical Officer

Glinly, a Haiyan survivor from Abuyog, Leyte, works for the RE-Charge Philippines project and Solar Scholars training program. He was a member of the One Tacloban relief operation and continues to volunteer for various NGOs in the region. A skilled outdoorsman, he also facilitates trainings on first aid, ropemanship, and other outdoor skills.

Kenneth Lopez

Facility Administrator

Kenay assists the RE-Charge Pilipinas team in administration of the office and the solar facility. She has worked as an administrative staff for various private firms and organizations for over ten years. She recently worked as an area manager for a local social enterprise in Tacloban City.

Special Projects

Padmapani L. Perez

Project Lead, Agam International

An anthropologist by training and a writer by heart, Padma’s poems and essays have been anthologized in various Philippine publications, including Agam: Filipino Narratives on Climate Change. She authored Green Entanglements: Nature Conservation and Indigenous Peoples’ Rights in Indonesia and the Philippines (2018), and Shelah Goes to a Da-ngah (2016), a children’s book. She received her doctorate in anthropology from the Faculty of Social Sciences at Leiden University, Netherlands, and currently serves as a research fellow at Far Eastern University in Manila.

Cherish Aileen A. Brillon

Communications Consultant, The Agam Agenda

Iris wears many hats. Aside from teaching at the Broadcast Department of UP Diliman College of Mass Communication, she was a former Program Head, Research Fellow, and faculty at the Department of Communication, Far Eastern University. She has previous experiences in film festival organizing, production management, and editing for independent film productions, and does freelance public relations work for local government units and local brands. She finished her Ph.D. in Philippine Studies Tri-College Program at UPD Asian Center, specializing on popular culture, political economy, and gender.

Communications Team

Denise Fontanilla

Associate for Policy Advocacy

Denise has worked on climate change and other environmental campaigns, coordinating mass actions and communications initiatives with national and international civil society groups. She now coordinates advocacy and communications efforts of ICSC and advises the organization on the UN climate negotiations.

Joseph Manalo

Creatives Manager

Jo manages the production of ICSC’s creative products and the work of its creatives staff. He has over 17 years of production management, art direction and graphic design experience for print, web, software and video applications.

Aileen Camille Dimatatac

Media Coordinator

AC, a photojournalist, leads ICSC’s relations with journalists and other media producers. She also produces photo and videos for the institute, aside from teaching communications courses at a state university. She has been a communications officer for an environmental NGO and a photojournalist for a newspaper.

Ira Dominique Guerrero

Communications Officer

Ira has worked with organizations from multiple sectors (i.e. nutrition, agriculture, forestry, livestock, and PWD empowerment) on communication and multimedia planning and production. She also worked in a government agency where she handled the production of two radio programs, as well as writing and layout of documents and communication materials. She is now working with the ICSC Communications Team in content development and maintenance of ICSC’s presence in print, web, and social media.

Administration and Finance Team

Cheryl Guilas

Administration and Finance Manager

Che worked for a bookkeeping firm for 20 years before joining ICSC in 2013. More than just heading ICSC’s administrative and finance team, she is considered the mother of the team.

Mary Ann Calma Santoalla

Business Support Coordinator

Annie has sixteen years of experience in humanitarian and human rights work and thirteen years of experience in the production and publication of public information and education and mass communication materials. She currently supervises events management and logistics for ICSC, among other administrative tasks.

Jacqueline Tumaliuan

Administration and Finance Assistant

Jackie, a certified bookkeeper, worked as an admin staff for a private school before joining ICSC in 2012.

John Herson Opena

Technical Logistics Officer

John is an information technology graduate. He was an equipment caretaker and data encoder before joining ICSC.

Ma. Dianna Benaya

Administration Staff

Dianne worked as the secretary of a parish church before joining ICSC in mid-2015. She also graduated from a short course in bookkeeping.


Rosan Verbraak

Rosan is a bachelor’s student in Public Administration at the University of Twente, the Netherlands. For her minor under the university’s Crossing Borders programme, she is following an internship at ICSC, where she and Kevin will be working on a research regarding non-motorized transport in Metro Manila. Being from the Netherlands, where roads are dominated by cyclists, this should be right up her alley!

Kevin Heerema

Kevin is a third-year bachelor’s student at the University of Twente in the Netherlands with a major in Public Administration. Currently, he is at ICSC for an internship during his minor under the Crossing Borders programme of the university. Together with Rosan, Kevin will conduct a baseline study about cycling in Metro Manila. With the experience he will gain, he plans to take his masters in Public Administration and Management of Energy & Environmental Management in the summer of 2020.