Afghanistan's president Ashraf Ghani has initiated sweeping economic, trade, social and peace reforms.

Anas Aremeyaw Anas is a Ghanaian undercover journalist and private eye who gathers hard evidence of crime and corruption, putting the perpetrators behind bars.

Jarreth Merz' new film, "An African Election," follows the 2008 presidential elections in Ghana from start to finish.

As president and COO of SpaceX, Gwynne Shotwell is responsible for day-to-day operations and for managing all customer and strategic relations.

Tim Guinee is a passionate advocate for creating a more sustainable world.

Ken Jennings holds the record for most consecutive wins on the classic American trivia game show, Jeopardy.

In articles that span the gene-editing abilities of CRISPR, the roots of psychopathic behavior in children, and much more, Jennifer Kahn weaves gripping stories from unlikely sources.

Nathaniel Kahn is an Oscar- and Emmy-nominated maker of documentary films. His journey to understand his distant father -- the legendary modern architect Louis Kahn -- became the film "My Architect."

TED Fellow Jane Chen has spent years working on health issues in the developing world.

Sally Kohn searches for common ground among political foes by focusing on the compassion and humanity in everyone.

Apiorkor Seyiram Ashong-Abbey is a Ghanaian poet, writer, literary critic, media practitioner, activist and versatile creative of Ga-Daŋme and Ewe ancestry.

After working at Microsoft for almost a decade, Patrick Awuah returned home to Ghana and cofounded Ashesi University, a small liberal arts college that aims to educate Africa's next generation of leaders. Its first class of students graduated in 2006.

Our world prizes extroverts, but Susan Cain makes a case for the contemplative. She's leading a social revolution that's showing people that looking inward is a virtue, not a problem.

UPS's Mike Kinney plays a crucial role in helping customers reach their full potential.

Keith Chen's research suggests that the language you speak may impact the way you think about your future.

Ken Goldberg works reflect the intersection of robotics, social media, and art.

DK Osseo-Asare creates architecture with and for the people that design overlooks.

Ken Kamler has served as doctor on some of the world’s most daring expeditions, but also performs delicate microsurgery when at home in New York.

Emily Quinn describes herself as "a ballsy intersex activist who uses humor and storytelling to create a more welcoming world for people who don’t fit in a box."

Aziza Chaouni focuses on projects that integrate architecture and landscape, and that ultimately give back to their communities. For years, she has worked to revive the Fez River, which runs through her hometown of Fez, Morocco.

In her writings, Taiye Selasi explores our relationship to our multiple identities.

Sangu Delle is an entrepreneur and clean water activist. A TED Fellow who hails from Ghana, he sees incredible potential in the African economy.

Originally from New Orleans, Louisiana, Sunni Patterson combines the heritage, culture, and traditions of her native town with a spiritual worldview to create powerful music and poetry.

TED Fellow Sharmeen Obaid-Chinoy seeks to push people to have difficult conversations about inequality and injustice.

Muthoni Drummer Queen's thought-provoking music fuses traditional African drum patterns with modern styles like hip-hop, reggae and blues.

Creativity expert Sir Ken Robinson challenged the way we educate our children, championing a radical rethink of how our school systems cultivate creativity and acknowledge multiple types of intelligence.

A pioneering graphic designer in Egypt, Ghada Wali has designed fonts, brands and design-driven art projects.

Gayle Tzemach Lemmon writes about women around the world living their lives at war and in conflict zones.

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