Less than 13 percent of police officers in the United States are women -- despite their proven effectiveness in diffusing violent situations and reducing the use of force. Drawing on more than two decades of experience as a police officer and chief, TED Fellow Ivonne Roman shares how a simple change to police academy physical fitness tests could help build a more balanced force that benefits communities and officers alike.

In 2018, Scotland, Iceland and New Zealand established the network of Wellbeing Economy Governments to challenge the acceptance of GDP as the ultimate measure of a country's success. In this visionary talk, First Minister of Scotland Nicola Sturgeon explains the far-reaching implications of a "well-being economy" -- which places factors like equal pay, childcare, mental health and access to green space at its heart -- and shows how this new focus could help build resolve to confront global challenges.

In 2018, Scotland, Iceland and New Zealand established the network of Wellbeing Economy Governments to challenge the acceptance of GDP as the ultimate measure of a country's success. In this visionary talk, First Minister of Scotland Nicola Sturgeon explains the far-reaching implications of a "well-being economy" -- which places factors like equal pay, childcare, mental health and access to green space at its heart -- and shows how this new focus could help build resolve to confront global challenges.

To get out of the mess we're in, we need a new story that explains the present and guides the future, says author George Monbiot. Drawing on findings from psychology, neuroscience and evolutionary biology, he offers a new vision for society built around our fundamental capacity for altruism and cooperation. This contagiously optimistic talk will make you rethink the possibilities for our shared future.

Refugee and immigrants rights attorney Melanie Nezer shares an urgently needed historical perspective on the crisis at the southern US border, showing how citizens can hold their governments accountable for protecting the vulnerable. "A country shows strength through compassion and pragmatism, not through force and through fear," she says.

Refugee and immigrants rights attorney Melanie Nezer shares an urgently needed historical perspective on the crisis at the southern US border, showing how citizens can hold their governments accountable for protecting the vulnerable. "A country shows strength through compassion and pragmatism, not through force and through fear," she says.

When Julius Maada Bio first seized political power in Sierra Leone in 1996, he did so to improve the lives of its citizens. But he soon realized that for democracy to flourish, its foundation needs to be built on the will of the people. After arranging an election, he voluntarily gave up power and left Africa. Twenty years later, after being democratically elected president of Sierra Leone, he reflects on the slow path to democracy, the importance of education for all and his focus on helping young Sierra Leoneans thrive.

Michael Tubbs is the youngest mayor in American history to represent a city with more than 100,000 people -- and his policies are sparking national conversations. In this rousing talk, he shares how growing up amid poverty and violence in Stockton, California shaped his bold vision for change and his commitment to govern as a neighbor, not a politician. "When we see someone different from us, they should not reflect our fears, our anxieties, our insecurities," he says. "We should see our common humanity."

Baratunde Thurston explores the phenomenon of white Americans calling the police on Black Americans who have committed the crimes of ... eating, walking or generally "living while Black." In this profound, thought-provoking and often hilarious talk, he reveals the power of language to change stories of trauma into stories of healing -- while challenging us all to level up.

A few weeks before his release from prison, Jarrell Daniels took a class where incarcerated men learned alongside prosecutors. By simply sitting together and talking, they uncovered surprising truths about the criminal justice system and ideas for how real change happens. Now a scholar and activist, Daniels reflects on how collaborative education could transform the justice system and unlock solutions to social problems.