Who We Are

Dr Emmanuel D Delocado is the Director of the Ateneo Institute of Sustainability. He received his bachelor’s degree and his PhD in Biology from the Ateneo de Manila University. He is an Assistant Professor at the Department of Biology and the Laboratory Head of the Ateneo Biodiversity Research Laboratory of AdMU. He specializes in freshwater biodiversity and insect systematics, and his research interests include biodiversity conservation and education for sustainable development. Concurrently, he serves as the Country Manager of the Sustainable Development Solutions Network Philippines (SDSN PH) and the Executive Director of the ASEAN University Network on Ecological Education and Culture (AUN-EEC). His work focuses on discovering countless new species of aquatic beetles which face immense environmental pressures due to anthropogenic activities and climate change, and on engaging local communities to promote sustainable use of river biodiversity.

Email: edelocado@ateneo.edu
Archium Ateneo: works.bepress.com/emmanuel-delocado/
LinkedIn: www.linkedin.com/in/emmandelocado/ ​​​​​​

Daniel C Ratilla is the Program Head for Climate and Disaster Resilience at the Ateneo Institute of Sustainability. He obtained his bachelor’s degree in Industrial Design from the University of the Philippines-Diliman, and his master’s degree in Environmental Management from the Ateneo de Manila University. He serves as Lecturer at the Department of Environmental Science. He is currently the Focal Point of the My Climate Risk (MCR) – Ateneo de Manila University Regional Hub, under the MCR Lighthouse Activity of the World Climate Research Programme (WCRP), and is part of the Secretariat of the ASEAN University Network on Ecological Education and Culture (AUN-EEC). He has been involved in research projects relating to climate risk, multisectoral collaboration for resilience, and ecological education. His research interests include urban ecology, climate communication, environmental management, and inter- and trans-disciplinary research.

Email: dratilla@ateneo.edu
LinkedIn: www.linkedin.com/in/daniel-ratilla/​​​​

Ma Margarita Christina A Lacdao is the Program Head for Sustainable Development Goals at the Ateneo Institute of Sustainability. She received both her bachelor's degree in Humanities and her master's degree in Basic Education Teaching from the Ateneo de Manila University. Currently, she teaches the Creative Nonfiction and Creative Writing courses in the Ateneo Senior High School, where she challenges her students to use their stories and words to bring to light the values and beliefs they uphold. To her, engaging audiences through words and effective communication is key to urging people to care about the issues that matter most — among them, sustainability and climate change.

Email: mlacdao@ateneo.edu

Josiah Theodore J Cacayan is the Program Head for Organizational Sustainability at the Ateneo Institute of Sustainability. He holds a bachelor’s degree in Hotel, Restaurant, and Institution Management from the University of the Philippines Diliman and a master’s degree in Sustainability Management from Ateneo de Manila University. He is also a Lecturer at the Department of Leadership and Strategy. With eight years of experience in the hospitality and food & beverage industry, he built a strong foundation in business operations, strategy, and service excellence. His exposure to a social enterprise employing persons with disabilities deepened his commitment to diversity, equity, inclusion and accessibility in business. His expertise includes project management, business development, strategic planning, leadership, and integrating sustainability into business practices.

Email: jcacayan@ateneo.edu 
LinkedIn: www.linkedin.com/in/theocacayan/​​​​

Dr Maria Assunta C Cuyegkeng ​​​is a professor at the Department of Educational Leadership and Management of the Gokongwei Brothers School of Education and Learning Design (GBSEALD). She is the Executive Director of the Lily Gokongwei Ngochua Leadership Academy and the ASEAN University Network on Ecological Education and Culture (AUN-EEC). She is also  the Managing Editor of the Journal of Management for Global Sustainability. In 2013 she helped establish the Ateneo Institute of Sustainability and became its Director from 2013 to 2021. She was Vice President for the Loyola Schools of the Ateneo de Manila University from 2006-2010.

Achoot obtained her bachelor’s and master’s degrees in Chemistry from Ateneo de Manila University and her doctoral degree in Chemistry from the University of Regensburg in Germany.  Her current research and teaching interests are in the fields of leadership, systems thinking, social entrepreneurship, and sustainability.

Email: acuyegkeng@ateneo.edu
archīum.ATENEO: https://works.bepress.com/maassunta-cuyegkeng/

Angelica D Mata-Jamilan is the Program Officer for Organizational Sustainability at the Ateneo Institute of Sustainability. Prior to this, she was an academic fellow in Young Southeast Asian Leaders Initiative (YSEALI) in University of Montana, USA where she had her academic residency in Environmental Issues and Natural Resource Management. She obtained her dual master's degree in Sustainability Management from University of Gadjah Mada in Yogyakarta, Indonesia and University of Agder in Kristiansand, Norway, a program initiated by the Norwegian Ministry of Foreign Affairs and ASEAN University Network. Her research interests are sustainability education, climate adaptation, and curriculum development.

Email: amata-jamilan@ateneo.edu
LinkedIn: www.linkedin.com/in/angelicamjamilan/

Ivy Geraldine D Ferrer holds the position of Program Officer for Climate and Disaster Resilience. She earned her bachelor’s degree in Geography from the University of the Philippines-Diliman. She is also a member of Global Shapers Community Manila Hub, a growing network of youths organized by the World Economic Forum. She has honed her leadership and organizational skills through her involvement with various school-wide and non-government organizations. In her spare time, Ivy produces sports content that highlights undercovered Filipino athletes. Her areas of interest include disaster resilience, urban planning and quality quotidian life, science communication, and photojournalism.

Email: idferrer@ateneo.edu
LinkedIn: www.linkedin.com/in/ivygeraldineferrer/

Riza Maree D C Rapada is the Program Officer for Sustainable Development Goals at the Ateneo Institute of Sustainability. She earned her bachelor’s degree in Environmental Science from the Ateneo de Manila University, graduating as the Program Awardee of her batch. Before joining AIS, she taught Practical Research Courses in the Ateneo Senior High School, where she mentored hundreds of students–most of whom were first-time researchers–in the conceptualization, planning, and execution of their research projects. She hopes to engage in biodiversity conservation, with a particular focus on the role of marine protected areas in the preservation of marine ecosystems.

Email: rrapada@ateneo.edu
​LinkedIn: www.linkedin.com/in/rizamaree/ ​​​​​​

France Justine A Arugay is the Business Development Officer of the Ateneo Institute of Sustainability. She holds a master’s degree in Sustainability Management from Ateneo de Manila University and a bachelor’s degree in Business Administration Major in Management from University of Asia and the Pacific. She worked in the banking industry for five years focusing on local and foreign banks’ merchant acquiring business. She also served as a senior Sustainability consultant under SGV & Co’s Financial Services Organization-Climate Change and Sustainability Services (FSO CCaSS) for advisory and assurance engagements. Her expertise include business models, social enterprises, and sustainable finance.

Email: farugay@ateneo.edu
​​​LinkedIn: www.linkedin.com/in/france-arugay/​

Charmaine Marie A Duñgo is the Administrative Assistant of the Ateneo Institute of Sustainability. She finished her bachelor’s degree in Business Administration from Miriam College and earned units in professional education. Previously, she served as Executive Secretary to the Vice President of ABS-CBN Corporation’s Customer Business Development - Research and Analytics Division. She has provided executive office and administrative support for the power and media industries for over ten years.

Email: cdungo@ateno.edu

Red T Gloria is the Communications Officer of the Ateneo Institute of Sustainability. They graduated with a bachelor’s degree in Environmental Science from Ateneo de Manila University. Their research interests include environmental communication, animal welfare, and light pollution mitigation.

Email: igloria@ateneo.edu

Lora Faith Batino is the Research Associate for Climate Risk Assessment at the Ateneo Institute of Sustainability. She holds a master's degree in Geography from the University of the Philippines Diliman. She is a research scholar for the Saleemul Huq Memorial Scholarship and Award for Loss and Damage Research, and a volunteer for the World Climate Research Programme (WCRP) Academy. Her research explores the intersections of climate risk, climate policy, and adaptation practices of communities in the Global South.

Email: lbatino@ateneo.edu
LinkedIn: www.linkedin.com/in/batinolora/

Azriiel Eunice C Teves is a Research Assistant for Community Sensing on Mobility. She earned a bachelor’s degree in Biology, specializing in Microbiology, from Ateneo de Manila University. Her team placed second in the 2025 SOSE Research Awards under the Environment and Sustainability category for their study on fungal contaminants affecting paintings in climate-controlled and non-climate-controlled environments. Their work contributes to science-based conservation strategies suited to tropical regions, like the Philippines. This experience deepened her commitment to interdisciplinary work and reinforced her belief that sustainability is an inclusive shared responsibility that begins with one’s intentional, everyday choices.

Email: acteves@ateneo.edu
Linkedin: www.linkedin.com/in/azriiel-eunice-teves

David Hans Y Lomarda is the Research Specialist for Biodiversity of the Ateneo Institute of Sustainability. He received his bachelor's degree in Biology majoring in Plant Biology from the University of the Philippines Los Baños. He previously worked as a Botanist for the Katala Foundation in Palawan. His research interest primarily focus on plant systematics.

Email: dlomarda@ateneo.edu
LinkedIn: https://www.linkedin.com/in/david-hans-lomarda

Hxyll N Almonguera is an Intern for the Ateneo Institute of Sustainability. He is a fourth-year Environmental Science Major. In the previous years, he served as the Commissioner of the Commission of Ateneans for Indigenous Peoples, Legislative Officer of the Scholars’ Sectoral Board, and Division Head of the Sanggunian Leadership Development. This academic year, he serves as the Scholars’ Sector Representative in the Sanggunian. His research interests include geology and environmental policies.

Email: hxyll.almonguera@student.ateneo.edu
LinkedIn: linkedin.com/in/hxyllalmonguera

Jairon Lee Vienne N Mejia is an Intern for the Ateneo Institute of Sustainability and a third-year Legal Management major with a Global Politics minor. As Associate Head for Legal Advice in the Ateneo Sanggunian, he led key policy reforms including the Code of Financial Procedures and the Scholars’ Sectoral Constitution. Passionate about law, governance, and development, he advocates for social transformation and sustainability through effective planning and public policy.

Email: jairon.mejia@student.ateneo.edu 
LinkedIn: linkedin.com/in/jaironleemejia

Sebastian Raphael B Ang from 4 BS Psychology, is an intern of the Ateneo Institute of Sustainability (AIS) under the programs Climate and Disaster Resilience, Organizational Sustainability, and Sustainable Development Goals. He is the president of the Loyola Mountaineers, a member of the triathlon team, The Usuals, and an intern under the Klima Center’s RENDER Climate project. His interests include stakeholder engagement, community capacity building, social entrepreneurship incubation, ultra-trail running, and open water swimming. 

Email: sebastian.ang@student.ateneo.edu 
LinkedIn: www.linkedin.com/in/sebastian-ang-7968531b5 

Lorenzo Joseph S Sierra is an intern at the Ateneo Institute of Sustainability. He is currently a 2nd-year BS Management student at Ateneo de Manila University and received the Outstanding Graduate of Accountancy, Business, and Management Strand award from Xavier Ateneo Senior High School. Authoring the “Discouraging Single-Use Plastics” in JGSOM Sanggunian and establishing a Green Campus Council in his senior high school, he continues to advocate for environmental sustainability.

Email: lorenzo.joseph.sierra@student.ateneo.edu
LinkedIn: www.linkedin.com/in/lorenzossierra​​​​​​​

Odessa Julienne E Rebaya is an intern at the Ateneo Institute of Sustainability (AIS). Currently, she is a 4th year BS Legal Management student at the Ateneo de Manila University. In 2022, she received the St. Aloysius Gonzaga Special Citation for Service Award from the Ateneo de Zamboanga University. She champions ecological responsibility in community partnerships to inspire green leadership and build a more resilient, equitable future.

Email: odessa.rebaya@student.ateneo.edu
LinkedIn: www.linkedin.com/in/odessa-julienne-rebaya

Shekinah Jira M Mesa from 4 BS Environmental Science, is an intern at the Ateneo Institute of Sustainability. She previously served as VP for External Relations of the Ateneo Environmental Science Society (S.Y. 2023-2024). She actively contributes to Ateneo SPEED, aiding projects like the Filipino Sign Language Workshop. She volunteered as an InTACT student facilitator (S.Y. 2024-2025) and is now a core member. She believes effective environmental advocacy champions equality and education for a sustainable future.

Email: shekinah.mesa@student.ateneo.edu 
LinkedIn: www.linkedin.com/in/shekinah-jira-mesa