He has been published on Reuters and AfricaWorld News.Kirui holds a Bachelor of Arts in Media and Communication and a Diploma in Journalism and Mass Communication, both from Mount Kenya University. Prior to freelance writing in 2016, he has been a media trainer both at Intraglobal Training Institute, Nairobi Aviation College and later at Mount Kenya University between 2013 and 2015. He also worked at Pan Africa Christian University between September and December where he wrote, edited and produced content for the University website. He is a credited journalist by the Media Council of Kenya who has been published on Reuters, The Star Kenya and AfricaWorld News.