
2023: ECHOES
TEDxYale's 2023 flagship conference had five featured speakers, four student speakers, and a student performance group. Each speaker shared the echoes in personal life, careers, the creative process, and elsewhere. Hopefully, these talks have encouraged discourse on what echoes mean.
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Américo Mendoza-Mori
Ayni: Indigenous Voices and Practices of Collaboration
Dr. Mendoza-Mori is a Peruvian researcher and professor on Indigenous and Latinx studies at Harvard University. Dr. Mendoza-Mori is involved with different research and community-oriented projects to raise awareness of the relevance of Quechua languages and Indigenous systems of knowledge. His work has appeared in a variety of academic publications and has been presented at major institutions such as the United Nations and international media (The New York Times, BBC, NPR, The Guardian).
David McCullough III
Connecting High Schoolers through Exchanged Experiences
David McCullough III is the Co-Founder and CEO of The American Exchange Project (AEP), America's first free national domestic exchange program for high school seniors. He has a BA in American Studies from Yale—where he also pitched on the varsity baseball team, wrote for the YDN, and acted in productions of the Yale Drama Coalition. In 2018, he graduated from the University of Cambridge with an MPhil in Economic and Social History. Inspired by a road trip he took in college, with the help of many, David founded AEP in 2019. He lives in Boston, and in 2022, David was named to the Forbes 30 Under 30 list in Education.
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Masashi Kaneda
Addressing Water Scarcity through Conservation and Accessibility
As a third-year Ph.D. candidate in Chemical and Environmental Engineering at Yale University, Masashi Kaneda is developing innovative technologies to address the global water security problem. After graduating from Hokkaido University with B.S. and M.S. degrees, Masashi came to the U.S. to pursue cutting-edge research through international collaboration. His motivation to study water treatment technology stems from his previous volunteer project in Indonesia where he observed poorly maintained local water systems and sanitation. Outside his laboratory, Masashi serves as President of the Yale Japanese Association, organizing gatherings to fortify cultural connections among students and their peers in New Haven.
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Emma Louden
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Finding hope in the night sky
An astrophysics Ph.D. candidate at Yale University, Emma studies the geometry of exoplanetary systems. She is the founder of Space To Sparkle, a consultancy that connects ambitious students who are committed to creating a better world to new career paths in the space industry through career strategy workshops. She is also a space strategy analyst and EarthDNA Ambassador. She co-founded the Ask-A-Brookie Mentorship program and serves on the American Astronomical Society Committee on Astronomy and Public Policy. Her expertise has been featured in talks at TEDx, Yale Law School, NPR, and the Jasper Dark Sky Festival. She was named one of the STEM Reinventors of the Year for 2021.
Baseera Khan
Security Breach
Baseera Khan is a New York-based performance, sculpture, and installation artist who makes work to discuss materials and their economies, the effects of this relationship to labor, family structures, religion, and spiritual well being. Khan's work "is dedicated to the development of [their] own legacy, on [their] own terms, with the use of fashion, photography, textiles and music, parody, sculpture and performance, [they] manifest [their] femme native-born Muslim American experience."
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Laura Zeng

Can't Choose, Can't Lose: An Athlete's Identity Crisis
Laura Zeng is a 2x (Rio 2016, Tokyo 2020) Olympian, 4-time World Finalist, Pan-American Champion, and 8-time National Champion in the sport of rhythmic gymnastics. She is an international medalist in World Cup, Universiade, and Grand Prix competitions, and retired in 2022 as the most decorated rhythmic gymnast in America. She is currently majoring in Urban Studies at Yale University.
Raghav Sehgal
Using Aging Biomarkers to Live Longer
Raghav Sengal is a PhD student at Yale University with over a decade of experience embedding Data Science and Artificial Intelligence to the Biomedical space. Over the last few years Raghav has been using his skills to build the next generation of Epigenetic based Aging Biomarkers that explain heterogeneity in Aging and Ageotypes for which he has received grants and fellowships totalling $1.5 million. Raghav has also been closely involved in building and managing a $100 million Biomedical Data Science startup called Elucidata. Raghav is also a scientific advisor at LongevityTech.fund, a $100 million venture capital fund tackling the issues of human aging. Raghav's ultimate goal through his work is to identify and build the next generation of technologies that will transform human health.

