Former US President Barack Obama and former First Lady Michelle take a group photo with rangers at Serengeti National Park in Tanzania.
Obama arrived in his hometown K'ogelo amid heavy security, with Kenya's General Service Unit officers working alongside American Secret Service agents to ensure the smooth flow of events.
In Nairobi, Barack met President Uhuru Kenyatta at the official residence, according to Kenyatta's twitter account.
Obama is set to inaugurate the Sauti Kuu Foundation's project, which comprises of a sports centre, resource and vocational training centre run by his sister, Dr Auma Obama. "Despite some of the tumultuous times that seem to attend every election, we now have the President and major opposition leader who have pledged to build bridges and made specific commitments to work together", he said.
He last visited in July 2015 while still President of the U.S. and previously as Illinois Senator in 2006 and as a student in 1987 while tracing his paternal roots. He was born in Hawaii, where he spent most of his childhood.
Mr Obama last visited the village in 2006 when he was the senator for Illinois State in the US.
Large crowds are however expected in Kisumu, Kenya's third largest city, where Barack will fly on Monday before driving to his father's home village of Kogelo in Siaya County, a journey of about 43.5 miles.
Obama will also deliver the 16th Nelson Mandela Annual Lecture in Johannesburg to mark 100 years since Madiba's birth in 1918.
'We are upbeat about the coming of the President Barak Obama, ' said Rasango, who added he is not expecting much in terms of any announcements of aid.
In a statement sent shortly after the meeting, the NASA leader stated: "It's always a great pleasure meeting with one of Kenya's most famous sons, President Barack Obama".
It is his first visit to Kenya since leaving office.