Nairobi County senior staff, Geoffrey Mosiria, has confirmed assuming new roles at City Hall, days after Governor Johnson Sakaja made major changes to his Executive department.

Taking to his social media pages on Monday, November 24, 2025, Mosiria confirmed his new job description. In Governor Sakaja’s reshuffle, the famous staff transitioned from the Environmental docket to Citizen Engagement and Customer Service. He was replaced by Hibrahim Otieno, who exited the Health Department.

Also Watch: Governor Sakaja reshuffles Nairobi County Executive in fresh shake-up.

New territory

”Kwa Majina ni Geoffrey Mosiria katibu Mkuu wa ushirikisho na Huduma kwa wananchi, Gatuzi la Nairobi . Niko tayari tuzungumze,tushirikiane ili upate hudumia bora. Tupatane ground tuzungumze na tuchape Kazi .Sasa niko kwa wizara zote kukuhudumia . Nikuhudumie ukiwa pande gani Leo?”  Mosiria said.

Meanwhile, Governor Johnson Sakaja has reassigned 10 County Chief Officers to new dockets in a bid to improve service delivery to the public.

The changes, communicated through an official circular dated Tuesday, 18 November 2025, were made in accordance with Section 45(5) of the County Government Act, 2012. According to the notice, the reassignment takes place with immediate effect.

Among the most notable shifts is Godfrey Akumali, who moves from the Business and Hustler Opportunities docket to take charge of Housing and Urban Renewal, a sector increasingly under scrutiny due to Nairobi’s rapid growth and persistent housing challenges.

At the same time, former Social Services Chief Officer Tony Michael Kimani has been reassigned to Social Services and Estate Management, while Lydia Mathia moves from Housing and Urban Renewal to the Business and Hustler Opportunities docket, effectively swapping roles with Akumali as the county recalibrates its economic and social development focus.

Mosiria’s job description

Geoffrey Mosiria’s new roles come after city lawyer Willis Otieno questioned his job description, shortly after Governor Sakaja made the changes to his executive on Wednesday, November 18, 2025.

Despite leading the environment docket, Mosiria, on Tuesday, November 18, 2025, together with officers from the Liquor Licensing Board and the police, conducted a raid on a city wines and spirits shop, which, according to him, had been operating as a bar and restaurant without valid documents.

However, the raid by Mosiria has left Willis Otieno asking questions: ”Chief Officer of Environment, a question: how does policing a bar and spirits shop fall under your regulatory mandate? There’s a mountain of urban chaos, infrastructural decay, and environmental neglect across Nairobi, yet here you are prioritising noise complaints and paperwork enforcement,” Otieno took to X on Wednesday, November 19, 2025.