Geena Rocero is a professional model for fashion and beauty companies around the world. And she uses her platform to share a powerful story.

Jennifer Aaker is a behavioral scientist focused on understanding what creates meaning vs. happiness in life.

Hilary Cottam wants to redesign the welfare state using the power of relationships.

Ashley M. Grice believes in the power of wonder and unconventional thinking to disrupt industries and the status quo.

December 5, 2013, was one of the most memorable days at TEDWomen — and everywhere else in the world, too. The world lost one of its great leaders, Nelson Mandela, and I will never forget the way we heard the news at the TEDWomen gathering in San Francisco. A young South African, Boyd Varty, was scheduled to give his TED Talk that day, and as ...

Rha Goddess is a cultural innovator, social impact strategist and creative change agent. She works with leaders and organizations to realign their missions in ways that are more purposeful, profitable and impactful.

Jan Rader is a firefighter and a nurse.

Interesting, informative, bizarre. Here's a round-up of interwebs reading from the past few weeks: Mushrooms are not at the top of my favorite foods list but, above, see why they are now at the top of my favorite things to watch a timelapse video of.  Shot by cinematographer Louie Schwartzberg (watch his TED Talks) and starring mushroom en...

Alex Edmans uses rigorous academic research to influence real-life business practices -- in particular, how companies can pursue purpose as well as profit.

At Clean Start Kenya, Teresa Njoroge builds bridges connecting the formerly imprisoned to the outside world and vice versa.

Using fMRI imaging to watch the human brain at work, Nancy Kanwisher’s team has discovered cortical regions responsible for some surprisingly specific elements of cognition.

Game designer Jane McGonigal firmly believes that video games are not just about mashing buttons and getting to the next level. In fact, during her talk at TEDGlobal 2012, McGonigal gave several surprising statistics: that online gaming can be more effective than pharmaceuticals in treating clinical depression and that just 30 minutes a day ...

Stuart Firestein teaches students and “citizen scientists” that ignorance is far more important to discovery than knowledge.

Surely not the only science career based on a museum tour epiphany, Paul Sereno's is almost certainly the most triumphant. He's dug up dinosaurs on five continents -- and discovered the world's largest crocodile, the (extinct) 40-foot Sarchosuchus.

Bassam Tariq delights in making eclectic career choices. A blogger, a filmmaker, and a butcher's shop owner, the common theme linking everything together is his boundless celebration of humanity.

Rebecca Henderson is obsessed with finding solutions to climate change.

Brewster Kahle is an inventor, philanthropist and digital librarian. His Internet Archive offers 85 billion pieces of deep Web geology -- a fascinating look at the formation of the Internet over the years, and a challenge to those who would keep knowledge buried.

About this event: TEDx BGI is intended to encourage thoughtful discussion about sustainability—past, present, and future. We will invite the thought-leaders representing various industries and disciplines to talk about how sustainability issues have and will play a role in our world.

Nancy Frates and her family have raised a projected $160 million for ALS research in 2014. How? They kicked off the ALS Ice Bucket Challenge to honor 29-year-old Pete Frates.

To make the greatest impact at our jobs -- and also feel the greatest satisfaction -- we need to tap into work’s deeper meaning, says Leah Weiss, a compassion expert and researcher. For humans, purpose can be a matter of life and death. As Holocaust survivor Viktor Frankl wrote in Man’s Search for Meaning, “Life is never made unbearable by circ...

Nic Marks gathers evidence about what makes us happy, and uses it to promote policy that puts the well-being of people and the planet first. He's the founder of the Centre for Well-Being at the UK think tank New Economics Foundation (NEF).

One of the true luminaries of personal computing, Alan Kay conceived of laptops and graphical interfaces years before they were realized. At XeroxPARC, Apple, HP and Disney, he has developed tools for improving the mind.

Gala Marija Vrbanic is a leader in the field of contactless and cyber fashion.

Tweeting (and covering Bowie) from the International Space Station last year, Colonel Chris Hadfield reminded the world how much we love space.

A neuroscientist and engineer, Daniel Wolpert studies how the brain controls the body.

Pastor Rick Warren is the author of The Purpose-Driven Life, which has sold more than 30 million copies worldwide. His has become an immensely influential voice seeking to apply the values of his faith to issues such as global poverty, HIV/AIDS and injustice.

Dr. Valerie Purdie-Greenaway teaches, conducts research and consults with global leaders to help them develop and foster diverse and inclusive work.

Researchers have identified many things -- like unpredictable laughter, pale skin, unkempt hair -- that people tend to find unsettling in others. But they’ve also realized this: We humans are pretty poor judges of who we should trust, says psychologist Julia Shaw. We sometimes use terms that ascribe negative traits to people we don’t know. Tha...

As the cofounder and executive director of Waterford UPSTART, Claudia Miner has one goal: to help families overcome barriers and prepare their children for lifelong learning.

James Rhee is an acclaimed entrepreneur, leader and goodwill strategist