TEDxSISPIK Youth

Speakers

Speakers may not be confirmed. Check the event website for the latest lineup.

• Alexandra Niccole Usmany

  Student

  Alexandra Niccole Usmany is an 11th grader who has never known a world without plastic. As an enthusiast in all things biology, she spends her free time researching biological breakthroughs that she believes can solve some of the most pressing global issues; namely the plastic problem. Motivated by a strong sense of environmental responsibility and a passion for biotechnology, her talk will bring nature’s own solution to plastic pollution to the table, as well as debunk presumptions of current solutions.

• Andrei Espencer Mayol Ordonio

  Teacher

  Andrei Espencer Mayol Ordonio is a Physics and Engineering educator at Singapore School Pantai Indah Kapuk. He earned his Master of Science in Physics from the University of the Philippines Diliman, where he also taught university-level physics for three years and conducted research in quantum thermodynamics and quantum computing. Believing that growth resembles a phase transition, he sees transformation as emerging from environments that challenge pre-existing perspectives and inspire new ways of thinking. Now teaching in Indonesia, he strives to make science engaging and accessible while fostering curiosity, resilience, and a lifelong love for learning.

• Charlito Rizki Gunawan

  Student

  Charlito Rizki Gunawan is a 10th-grade student with a passion for public speaking, diplomacy, and creating meaningful conversations. As an active participant in Model United Nations, he believes that words have the power to inspire action, challenge perspectives, and drive positive change. Charlito is deeply interested in politics, history, and global affairs, constantly seeking to better understand the world and the people in it. Through his talk, Charlito explores the relationship between preserving tradition and embracing change, and encourages us to think critically about whether societies should keep existing systems or change to meet new realities.

• Clarissa Hamashiach Tarigan

  Youth organisation co-founder

  Clarissa Hamashiach Tarigan is a high school student, Founder and Head of Food Access. Growing up participating in volunteer initiatives sparked Clarissa’s commitment to creating positive change. Combined with her interest in economics, these experiences led her to believe that lasting solutions come not only from kindness, but also from understanding the systems behind society’s greatest challenges. Through Food Access, a student-led organization, hundreds of children, teens, and adults have been educated about the importance of their health and have received the attention they deserve. Her joint TEDx talk, “The Access That Makes Choice Possible,” will deepen understanding of the importance of access to health and how nutrition can change everything.

• Dwi Firli Ashari

  Teacher

  Dwi Firli Ashari teaches Pendidikan Pancasila and Indonesian language and literature at Singapore School, Pantai Indah Kapuk, where he has taught for over a decade. As Head of the High School Indonesian Department, he designs curriculum and assessment for the program and writes much of the material his team uses. He serves as an assessment developer and external examiner for other schools. He holds a Magister Humaniora in Cultural Studies from Universitas Indonesia, which shapes how he teaches civics, language and literature, treating them as ways into the culture that produced them and into lives beyond a student's own.

• Gan Tze Yun

  Director of performing arts

  Debbie Gan (also known as Ms Gan), is the Director of Performing Arts at Singapore School, Pantai Indah Kapuk. She holds a Bachelor’s degree in Music. She is currently completing an MFA in Theatre at the University of Surrey, focusing on professional practice and inclusive theatre pedagogy. Her work centres on making performing arts accessible to students with diverse linguistic and educational backgrounds, particularly those who are often seen as “under‑performing”. By combining music, theatre and education, she aims to build students’ confidence, communication skills and sense of belonging through performance.

• Michelle Malpine Sondang Tobing

  Youth organisation co-founder

  Michelle Malpine Sondang Tobing is a high school student who believes that some of the biggest ideas can come from young people. With a passion for business, biology, and building ideas that make a difference, she is the founder of Food Access, a student-led organization that promotes nutrition education and food accessibility in Indonesia. Believing that prevention begins with awareness, Michelle combines science, entrepreneurship, and youth leadership to encourage healthier communities. In her joint TEDx talk, “The Access That Makes Choice Possible”, she invites audiences to rethink the role of access in shaping our choices and why changing the narrative is the first step toward creating a healthier future.

• Natascha Adeline Ziliwu

  Student

  Natascha Adeline Ziliwu is a 15-year-old designer and Grade 11 student at Sampoerna Academy Sentul. She co-founded Tuwu Nukhada, a cultural textile brand, with her mother and younger sister, where she serves as Lead Researcher and Lead Designer. Passionate about preserving Nias heritage, she researches the island's history, mythology, and traditional motifs, transforming them into contemporary woven textile designs. Through her work, Natascha combines cultural storytelling with modern design to support local artisans and celebrate Nias identity. Her mission is to revive the island's forgotten heritage and share its unique culture with audiences around the world.

• Yosephine Salim

  Author + entrepreneur

  Yosephine Salim is a Chinese-Indonesian author born and raised in Pluit and PIK, North Jakarta. Growing up in a house that doubled as a catering mess uniquely shaped her perspective. A BINUS alumna, former brand strategist, and translator across Asia, she now brings a creative lens to her role as an insurance consultant, helping families protect the dreams they are building. Her debut poetry book, Sipit, arrives as a rare voice from Chinese-Indonesian literature. Moving through identity, family, class, and even grief, Sipit unfolds through Keluar and Masuk: first outward, demanding answers from life; then inward, finding acceptance within oneself.