Impact stories from across the workforce and around the world
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About Ari Tjahjanto : Building Strong Systems Through People, Policy, Technology, and Experience. A seasoned business leader with over 25 years in ISP and Telco, Ari Tjahjanto has held leadership roles across customer service, corporate strategy, sustainability, human capital, and network quality at leading companies including XL Axiata and other major telecommunications providers. Guided by his PPTX framework (People, Policy/Process, Technology, and Experience), Ari focuses on strengthening organizational foundations, improving employee and customer journeys, and embedding service design into every stage. His leadership philosophy is simple yet powerful: make your team successful, and success will follow.
About Rhonda: Rhonda Maxwell is a Global Sustainability Consultant specializing in Market Strategy & Stakeholder Engagement, where she drives the alignment of corporate sustainability initiatives with business objectives and stakeholder expectations. With extensive expertise in communication, project management, and compliance, Rhonda connects sustainability performance with brand reputation and customer engagement. A dedicated sustainability professional, Rhonda holds the SEA credential from ISSP and continues to advance sustainability practices through strategic stakeholder collaboration and business intelligence.
Edwin Nerva is the AVP for Sustainability at Nickel Asia Corporation, where he leads the company’s sustainability strategy, stakeholder engagement, and community development efforts. With over 15 years of experience across the corporate, nonprofit, and international development sectors, His work focuses on integrating sustainable practices into core business operations while advancing inclusive growth and environmental resilience across rural and mining communities in the Philippines.
The SEP provided an enlightening body of knowledge, reinforcing familiar practices while introducing deeper, more specialized insights that expanded my perspective.
About Elizabeth: A natural storyteller, committed to creating a more sustainable future, Elizabeth has built her career on the ability to blend strategic marketing with sustainability, ESG and hot topic issues. She is known for crafting content that resonates with diverse audiences and driving initiatives that amplify brand visibility and engagement. Over her career she has built a reputation for her strategic, results-driven approach from increasing brand awareness through creative marketing campaigns, drafting reports and speeches on complex issues, and advising on cross-functional communication projects from start to finish.
About Joseph: Dr. Joseph K. Muiruri obtained his Ph.D. in Material Science and Engineering (MSE) from the National University of Singapore (NUS). He has a master’s degree in Environmental Planning & Management from the University of Nairobi, Kenya. Previously, Joseph worked as a research scientist for 10 years and as the Head of the Textiles division for 2 years at the Kenya Industrial Research and Development Institute (KIRDI). Currently, he is a Senior Scientist I at the Institute of Sustainability for Chemicals, Energy and Environment (ISCE 2 ) A*STAR. Sustainable biopolymers for packaging, natural fibre composites for high-end applications, circular economy, and sustainability metrics are among his research interests.View his member profile in the directory .
"Continuing to stay involved with ISSP and the SEA process immerses me in a world of sustainable compatriots and offers strength, a wealth of knowledge and skills, and camaraderie to draw from, like a nourishing well of sustainability."
Recently, we interviewed Belinda Bean, MSc Sustainable Development, about how she teaches the next generation of sustainability practitioners. Belinda is a faculty member at TAFE NSW , one of Australia's leading vocational education and training providers. She teaches students who are studying to earn their Higher Education Diploma of Sustainable Practice or Undergraduate Certificate in Sustainable Practice . Their Diploma of Sustainable Practice (DoSP) won the prestigious Green Gown Award Australasia in the Next Generation Learning & Skills category.
Sophia is a passionate sustainability communications professional with specialized expertise in renewable energy and carbon markets. With international experience spanning Canada, Tanzania, Poland, and Germany, she enjoys partnering with diverse teams and cultures, collaborating across silos to translate sustainability goals into actionable, tangible results.
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