A teacher, writer and member of the Kenyan parliament, Joseph Lekuton has an inspiring vision for Kenya.

Birder and ecologist Washington Wachira started the Youth Conservation Awareness Programme to nurture young environmental enthusiasts in Kenya.

Boniface Mwangi is an award-winning Kenyan photographer, artist and activist. He is a TED Fellow.

TED Fellow Joel Jackson is the founder and CEO of Mobius Motors, set to launch a durable, low-cost SUV made in Africa.

Sauti Sol blends warm resonant pop with traditional Kenyan influences. Their mélange of energetic rhythms has promoted the group to become one of Africa’s most celebrated.

Naomi Mwaura is working to promote safe, accessible, sustainable and inclusive mobility in public transit.

TED Fellow Su Kahumbu is working to improve farmer livelihoods and contribute to nutritional security and environmental sustainability.

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

Ory Okolloh maintains the blog Mzalendo, providing an unprecedented look at the doings of Kenya's parliament -- information once unavailable to Kenyan citizens.

IBM's Charity Wayua is a research manager in Nairobi, Kenya, where she leads the company's public sector research team.

Nabila Alibhai leads inCOMMONS, a new cultural production lab focused on invigorating public spaces and inspiring collective responsibility for our cultural and environmental heritage.

Kasiva Mutua is working to elevate the place of the African woman in music.

Sitawa Wafula started Kenya's first free mental health and epilepsy support line.

TED Fellow Tom Osborn is working to improve mental health for young people across Kenya.

Priscilla Chomba-Kinywa is an ICT4D expert with experience in technology and innovation spanning 20 years, 6 continents and 70 countries.

Resson Kantai Duff is the deputy director of Ewaso Lions, an organization dedicated to promoting coexistence between people and lions in northern Kenya.

Temie Giwa-Tubosun is saving lives, one bag of blood at a time.

TED Fellow Karen "Kaz" Lucas is a leader in the world of arts and culture in Kenya.

Zoologist Dr. Lucy King helms the Human-Elephant Coexistence Program for the Kenyan research charity Save the Elephants.

Faith Osier is studying how humans acquire immunity to malaria and developing new malaria vaccines.

Young inventor Richard Turere invented "lion lights," an elegant way to protect his family's cattle from lion attacks.

Dr. Kakenya Ntaiya is the founder and president of Kakenya's Dream, an international nonprofit organization leveraging education to empower girls, end harmful traditional practices and transform communities in rural Kenya.

Tanya Berger-Wolf is among the founders of the field of computational ecology, leading research at the unique intersection of computer science, wildlife biology and social sciences.

Rose M. Mutiso works with a global network of experts finding solutions for energy deficits across Africa and Asia. She is also helping African women become scholars and thought leaders.

At Gearbox, Kamau Gachigi empowers Kenya's next generation of creators to prototype and fabricate their visions.

Lilly Singh is a multi-talented comedian, actress, producer, writer and creator.

As an investigative journalist and self-described "professional troublemaker," George Monbiot uncovers the complicated truths behind the world's most persistent problems.

With One Acre Fund, Andrew Youn fights poverty in rural sub-Saharan Africa.

Amar Inamdar works with businesses and entrepreneurs to imagine, create and grow markets that address our biggest social and environmental challenges.

Robert Sapolsky is one of the leading neuroscientists in the world, studying stress in primates (including humans).