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.

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

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

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.

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

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

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

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.

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.

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

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.

Juliana Rotich is the co-founder of Ushahidi, open-source software for collecting and mapping information -- and of iHub, a collective tech space in Nairobi, Kenya. She is a TED Senior Fellow.

With a camera, a dedicated wheatpasting crew and the help of whole villages and favelas, 2011 TED Prize winner JR shows the world its true face.

Pete Ouko champions access to justice for inmates and the indolent in Africa.

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

Rose Goslinga isn’t your typical insurance salesperson. Through the Syngenta Foundation, her team developed insurance solutions to assist small-scale farmers in Africa, to safeguard their crops in case of droughts.

Meklit Hadero is an Ethiopian-American singer-songwriter living the cultural in-between, both in her own luminous compositions and as a co-founder of the Nile Project.

As a writer on animal cognition and emotion, Barbara J. King seeks to motivate us all to be kinder to the animals we share the planet with.

TED Fellow Andrew Bastawrous studies eye health -- and builds accessible new tools to bring eye care to more people.