A ticking timer and a mysterious box as powerful psychological tools YouTubers use to hold your attention. First, he was a gamer. But since 2020, Mario Joos has been the mastermind behind content strategies for some of YouTube’s biggest names—MrBeast (370M+ subscribers) and the Stokes Twins (115M+ subscribers), now the second-largest growing YouTube channel of 2024. He’s also working with 5 of the 6 fastest-growing YouTube channels in 2025. His data-driven strategies made him a game-changer for creators aiming to scale from 10M to 100M+ subscribers. Mario has worked on over 1,000 videos, racking up a staggering 40 billion views and even played a key role in one of the platform’s most legendary videos: the $456,000 Squid Game in Real Life.Today, this Belgian-born strategist has permanently settled in Bulgaria, where he helps creators, marketers, and industry professionals grow their digital presence. With expertise in retention optimization, analytics, audience behavior, and human psychology, Mario provides actionable insights that drive success in the ever-evolving content landscape. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx

“Whose Story Gets Told” takes a deep dive into the world of media and how news make it to our feed. Using interviews from conflict journalists, surveys of journalism students, and findings from academic research, this talk will challenge you to think more critically about which stories are news and which are the ones that don’t get told. Anna Diagne Sène is an international student from Dakar, Senegal. Her diverse educational experiences across Norway, Jordan, and the U.S. have shaped her commitment to bringing people together and advocating for peace. Grounded in her Islamic faith, Anna’s passion for unity and understanding transcends borders and cultures. Throughout her life, scholarships have enabled Anna to pursue the highest levels of education. She is determined to use this privilege to make quality learning more accessible to all. Anna loves learning languages, meeting new people, and sharing stories about her home country, Senegal. When she is not working towards her peacebuilding career, you will likely find Anna imagining an alternate future as a sports commentator for the Olympics. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx

Estelle Erasmus is an award-winning journalist and author of "Writing that Gets Noticed," which was named a "Best Book for Writers" by Poets & Writers Magazine. In her talk, she explores the value of getting straight to the point, being direct and engaging in your writing, storytelling, and even day-to-day conversations. Estelle Erasmus: an award-winning journalist, is the author of WRITING THAT GETS NOTICED (named a "Best Book for Writers" by Poets & Writers Magazine), a Contributing Editor for "Writer's Digest," and host of the podcast Freelance Writing Direct. She is a writing professor at NYU’s School of Professional Studies/Center for Publishing, Writing, and Media, and received the 2023 Teaching Excellence Award. She also teaches at NYU's High School Academy Program, where students come from all over the world to study journalism with her. Erasmus has written for over 150 publications, including The New York Times, Next Avenue/PBS, WIRED, The Independent, The Washington Post, and AARP: The Magazine, and was the editor-in-chief of five national publications. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx

"It's crucial to note that finding yourself is never about selecting a perfect version among those hundred versions. It's more about accepting your imperfect one and improving it." - Ms. Nguyen Thu Tra at TEDxĐaKao Studio 2025In this TEDx talk, you will find insights that help you to identify your identity and how to cultivate your values. #TEDx_Officials #TEDxĐaKao #TEDxDaKao #Personal Identity #Selfimprovement - Special Thanks to TEDxĐaKao Partners Sponsoring Partner: Tam Chuc - National Scenic Landscape and Tourism Complex in Vietnam. Community Partner: Vuon Uom Tai Nang Van Hoa Du Lich Production Partner: VIENTITY Co. - “Why is personal identity important to us?” Nguyen Thu Tra, a young woman, embarked on a journey of self-discovery, grappling with the challenges of defining her identity in a world often preoccupied with conformity. Through this transformative experience, she realized the profound impact of individuality on personal growth and success. Convinced that a well-defined "identity code" is a guiding compass, she believes embracing one's authentic self is the key to navigating life's complexities with confidence and purpose. By challenging societal norms and expectations, individuals can unlock their true potential and contribute meaningfully to the world. At TEDxĐaKaoStudio, Nguyen Thu Tra will illuminate the transformative power of individuality. She will discuss crafting a personal "identity code" as a roadmap for personal growth and fulfillment. We can unlock our full potential by challenging societal norms and living authentically. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx

Sydney and Dylan explore how authentic community engagement can transform individual confidence and connection. Drawing from their experiences in the Ninja Warrior and Scouting worlds, they share how support from others helped them overcome fear and grow. Their story highlights the importance of uplifting voices, even in competitive spaces. They challenge the audience to bring that same spirit of encouragement into every community they’re part of. Sydney Yee is a junior at Olentangy Liberty High School. She is a member of Liberty’s Choraliers concert choir and competes as a hurdler and sprinter on the track team. In addition to her studies at OLHS, she attends Olentangy STEM Academy, where she is currently enrolled in the Biomedical pathway. Outside of school, Sydney is involved in Scouting America (formerly known as Boy Scouts of America), where she is a Life Scout. She is also an American Ninja Warrior athlete, training at Movement Lab Ohio, and has competed in seasons 15, 16, and 17. With her numerous extracurricular activities, she understands the importance of a community and its impact on a person.Dylan Yee is a sophomore at Olentangy Liberty High School. He is a member of Liberty’s Advanced Select Choir and Sinfonia Orchestra. He also competes as a cross country runner and a distance runner on the track team. Outside of school, Dylan is actively involved in Scouting America (formerly known as Boy Scouts of America) and holds the rank of Life Scout. He is also an American Ninja Warrior athlete, training at Movement Lab Ohio, and has competed in season 17 of the show and season 3 on American Ninja Warrior Junior. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx

This talk invites listeners to discover the beauty and unique structure of Swahili, a language shaped by its own history and culture. While it differs from English in many ways, exploring these differences reveals new ways of thinking and understanding. In a world increasingly marked by division, it is more important than ever to remember that language is a bridge, not a barrier. Language is a way to connect, understand, and celebrate our shared humanity. Felicitas Becker is a historian of East Africa with a particular interest in the history of Islam, of the aftermath of slavery and of development. Her research has been published by Oxford and Cambridge University Presses and a variety of international journals. She worked at the School of Oriental and African Studies, London, Simon Fraser University, Vancouver, and the University of Cambridge. Her familiarity with Swahili is due to living in Tanzania for about three years, during which she travelled in areas of the country where English is not spoken. She has written extensively on topics such as the spread of Islam in rural Tanzania, the politics of poverty, and the Maji Maji War. Her books include Becoming Muslim in Mainland Tanzania (2008) and The Politics of Poverty in Africa (2019). Felicitas has lived and worked in Germany, the UK, Tanzania, Hungary, Canada, and the US, and she currently resides in Gent, Belgium. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx