Daniel Levitin incorporates findings from neuroscience into everyday life.

Aakash Odedra sets raw ancient dance forms from India within the modern global context.

Kiran Bedi was one of India's top cops -- tough, innovative and committed to social change. Now retired from the national police force, Bedi runs two NGOs that benefit rural and urban poor.

In telling stories of technologies and the individuals who created them, George Dyson takes a clear-eyed view of our scientific past -- while illuminating what lies ahead.

Since "Awakenings" stormed the bestseller lists (and the silver screen), Oliver Sacks has become an unlikely household name, single-handedly inventing the genre of neurological anthropology.

Dr. Nir Eyal is an international authority in population-level bioethics with research in health inequalities, health promotion and research ethics, especially in resource-poor settings.

An author and illustrator of many children's books and graphic novels, Jarrett J. Krosoczka creates stories with humor, heart and deep respect for young readers.

A professor of chemistry, nanoscience and chemical complexity, Lee Cronin and his research group investigate how chemistry can revolutionize modern technology and even create life.

David R. Williams asks: What if we decided to tackle the striking levels of early death and poor health that are due to the color of one's skin?

Atomic physicist Joshua Silver invented liquid-filled optical lenses to produce low-cost, adjustable glasses, giving sight to millions without access to an optometrist.

Daniel Kraft explores the impact and potential of rapidly developing technologies as applied to health and medicine.

Pulitzer winner Laurie Garrett studies global health and disease prevention. Her books include "The Coming Plague" and "Betrayal of Trust," about the crisis in global public health.

A doctor and engineer, Todd Kuiken builds new prosthetics that connect with the human nervous system. Yes: bionics.

The founder of the Medicines Patent Pool, Ellen 't Hoen works (and makes change) at the place where profit and health collide: patented drugs.

Grégoire Courtine and his interdisciplinary lab imagine new ways to recover after devastating, mobility-impairing injury to the spinal cord.

Freeman H. Shen has a simple vision: for every household in China to have access to its own smart, connected, pure electric transport.

Shukla Bose is the founder and head of the Parikrma Humanity Foundation, a nonprofit that runs four extraordinary schools for poor children.

Sahaj Kaur Kohli is the founder of Brown Girl Therapy, the first and largest mental health and wellness community organization of its kind for children of immigrants living in the West.

Nick Turner is the president and director of the Vera Institute of Justice, one of the biggest and most established justice reform organizations in the US.

As founder and CEO of Amazon.com, Jeff Bezos defined online shopping and rewrote the rules of commerce, ushering in a new era in business. Time magazine named him Man of the Year in 1999.

Isadora Kosofsky embeds herself in the lives of others, documenting them in their most fragile moments.

Social psychologist Emily Balcetis explores perception, motivation, goal-setting and decision-making from conscious and nonconscious levels.

Safwat Saleem uses satire and art to bring to light stories of adversity.

Dr. Maria Van Kerkhove is the COVID-19 Technical Lead of the World Health Organization (WHO), as well as the Head of the Emerging Diseases and Zoonoses Unit in the WHO's Health Emergencies Programme.

Christina Tosi is the award-winning chef and owner of Milk Bar.

TED Fellow Pratik Shah creates novel intersections between engineering, medical imaging, machine learning and medicine.

Erez Yoeli's research focuses on altruism: understanding how it works and how to promote it.

Susan Solomon enables support for human stem cell research, aiming to cure major diseases and empower more personalized medicine.

Ashley Whillans investigates how intangible incentives affect employee motivation and well-being.

Cloe Shasha Brooks curates speakers for TED in a variety of fields, with an international focus on culture, social justice, literature and humor.