He was born in 1967 in North Horr, Marsabit County. He holds a Masters of Arts degree in Public Administration and Public Policy from the University of York in the United Kingdom.
Mr. Yattani is an alumnus of Egerton University where he graduated with an undergraduate degree in Bachelor of Arts degree in Economics and sociology.
He has previously served as the Kenyan Ambassador to Austria between June 2009 and September 2012 and Permanent Representative to the United Nations.
In 1992 he began his career as a civil servant by joining the then provincial administration as a District Officer, for 8 years he served in this role and was tasked with the role of coordination of Government business at the District Level, Management of Disaster, maintenance of Law and Order and the articulation and subsequent dissemination of Government policies.
He resigned from his position as a senior District Commissioner to contest in the 2006 North Horr By-Election, where he won and succeeded the Late Bonaya Godana as the Member for North Horr constituency.
Between 2006 – 2007 he served as the assistant Minister in the Ministry of Science and Technology.
In 2013, he was elected as the first Governor of Marsabit County.