PSE educators and youth leaders gathered together

Meet Our People

The people advancing sustainability education, leadership, and well-being across the Asia-Pacific.

At Partnerships for Sustainability Education (PSE), we believe meaningful and lasting change begins with people working together. Our educators, researchers, professionals, and changemakers connect people, ideas, and institutions to turn shared aspirations into meaningful action.

Vision and leadership

Co-Founders & Executive Leadership

PSE was co-founded in 2019 by educators and institution-builders Rochelle M. Razo and Marita “Yetti” Marcelo. As Co-Founders, Executive Leaders, and members of the Board of Trustees, they guide PSE’s strategy, programs, partnerships, and operations.

Portrait of Rochelle M. Razo
Executive leadership

Rochelle M. Razo

Co-Founder | Executive Director | Trustee

Education, Sustainability Leadership & Regional Partnerships

With more than 26 years of experience in education, Rochelle leads initiatives integrating sustainability, leadership, innovation, and holistic well-being into learning and community development.

Portrait of Marita “Yetti” Marcelo
Executive leadership

Marita “Yetti” Marcelo

Co-Founder | Director of Finance & Operations | Trustee

Organizational Sustainability, Finance & Operations

A graduate of Community Development from the University of the Philippines Diliman, Yetti brings extensive experience in educational administration, financial management, and community-centered development.

Governance and stewardship

Our Board of Trustees

Multidisciplinary expertise. Shared leadership. Lasting impact. PSE’s seven-member Board of Trustees brings perspectives from education, climate governance, sustainability policy, law, mental health, research, and organizational leadership. The Board provides strategic guidance, governance oversight, and institutional stewardship.

Board ChairpersonPortrait of Atty. Tony La Viña
Board leadership

Atty. Tony La Viña

Chairperson, Board of Trustees

Climate Governance & Sustainability Policy

An environmental lawyer, academic, and climate policy expert, Tony leads the Klima Center at the Manila Observatory and previously served as Undersecretary of the Department of Environment and Natural Resources.

Portrait of Atty. Vicente Paolo Yu III

Atty. Vicente Paolo Yu III

Trustee

Climate Policy, International Cooperation & Law

An international policy and legal expert, he has worked with UN agencies, governments, and civil society on climate change, sustainable development, and global governance.

Portrait of Dr. Liecel Trinidad-Fulgencio

Dr. Liecel Trinidad-Fulgencio

Trustee

Mental Health & Well-being

A psychiatrist and mental health advocate, she serves as Section Chief of Psychiatry at Marikina Valley Medical Center and previously taught at UP–Philippine General Hospital.

Portrait of Mai Marcelo

Mai Marcelo

Trustee

Research, Insights & Strategy

An experienced market research executive and former Vice President for Market Research at Globe Telecom, she founded QualiSoul and brings expertise in research and strategic foresight.

Portrait of Atty. Melamarisa M. Panotes

Atty. Melamarisa M. Panotes

Trustee

Law, Media & Child Protection

A legal educator and advocate for child protection and safe learning environments, she serves as Supervising Lawyer at the UP College of Law – Office of Legal Aid.

Portrait of Rochelle M. Razo

Rochelle M. Razo

Trustee | Executive Director

Education, Sustainability Leadership & Regional Partnerships

As Co-Founder, Executive Director, and Trustee, Rochelle contributes expertise in progressive education, leadership development, intergenerational learning, and regional collaboration.

View Executive Leadership Profile
Portrait of Marita “Yetti” Marcelo

Marita “Yetti” Marcelo

Trustee | Director of Finance & Operations

Organizational Sustainability, Finance & Operations

As Co-Founder, Director of Finance & Operations, and Trustee, Yetti contributes expertise in organizational management, financial stewardship, and community-centered development.

View Executive Leadership Profile

The two co-founders also serve as Trustees; their Board entries link to their full Executive Leadership profiles above.

PSE Program and Secretariat Team
Turning vision into action

Program & Secretariat Team

Dedicated people. Meaningful partnerships.

Behind PSE’s programs and partnerships is a dedicated team committed to creating meaningful learning experiences and opportunities for collaboration.

Working alongside educators, young leaders, volunteers, and institutional partners, the team coordinates educational initiatives, leadership development programs, events, and regional engagements—helping transform ideas into action and partnerships into impact.

Connect and collaborate

Join Us in Shaping a Better Future

Meaningful change grows through collaboration. Whether you are a student, educator, parent, professional, institution, or changemaker, there are opportunities to learn, contribute, and collaborate with PSE. Together, we can advance education, nurture leadership, strengthen communities, and build a healthier, more sustainable future for people and the planet.

Explore Our Programs Partner With Us Become a Friend of PSE

The Friends of PSE button opens an email inquiry; it is not an online membership application.