In 1996, Moroto was elected to the position of Kenya National Union of Teachers (KNUT) chairman, West Pokot branch.
In 2006, Moroto was appointed by president Mwai Kibaki to the position of assistant minister, Ministry of Public Health and Sanitation.
Moroto lost the 2007 elections to Reverend Murgor mainly due to an ODM wave that swept the Rift valley region.
He however bounced back in the 4 March 2013, general elections by defeating his closest opponent by a margin of more than 500 votes.
It has seen confrontations[2] between squatters from Pokot, Sabaot, Bukusu and Turkana communities.