Kim Katrin Milan

Writer, Educator, Artist, Women and LGBT Advocate

Shabana Basij-Rasikh

Co-Founder and Managing Director, School of Leadership, Afghanistan

Hajer Sharief

Human Rights Activist; Co-Founder of Together We Build It; Member of the United Nations Advisory Group

Mark Edwards

Co-Founder & CEO at Upstream USA

Courtney E. Martin

Co-Founder of the Solutions Journalism Network; Social Change Advocate & Author of "The New Better Off"

Yeonmi Park

Human Rights Activist & North Korean Defector

Mary Bassett

New York State Health Commissioner

Philippa Neave

Electoral Consultant, Senior Advisor on the UN's Lexicon of Electoral Terminology & TED Speaker

Keyu Jin

Expert on Globalization, International Finance and the Chinese Economy

Ashley Fell

Social Researcher, Author & TEDx Speaker

David Baron

Author of "Moses on Management", Leadership Expert

Joanne Chory

Professor & Director of the Plant Molecular & Cellular Biology Laboratory at the Salk Institute; Climate Change Researcher

Tom Rivett-Carnac

Political Strategist & Author; Founding Partner at Global Optimism

Myles Allen

Climate Science Scholar

Anita Vreugdenhil

Pediatric Gastroenterologist Specializing in Childhood Obesity

Sixto Cancel

CEO, Think of Us

Foster Care System Where Every Child Has Loving Home | Sixto Cancel | TED

Sara Nelson

Union Leader; International President of the Association of Flight Attendants-CWA

Sara Nelson: Breaking Power to Build Power

James Nachtwey

Photojournalist

Adeola Fayehun

Nigerian Journalist & Political Satirist

Monica Araya

Executive Director of the European Climate Foundation

Monica Araya: The billion-dollar campaign to electrify transport | TED