Nairobi Governor Johnson Sakaja has moved Chief Officer Geoffrey Mosiria from the environment docket, with immediate effect, in a new Cabinet reshuffle.
In a notice signed by the governor on Tuesday, November 18, 2025 Sakaja said that Mosiria will now head the Citizen Engagement and Customer Service docket.
Mosiria was known for enforcing environmental laws, including bans on open-air waste burning and restrictions on animal farming in residential areas. The environment sector will now be taken over by Hibrahim Otieno, who previously headed the Medical Facilities Docket.
The reshuffles, which affect 10 County Chief Officers, were made in line with Section 45(5) of the County Government Act 2012, according to Sakaja.
In the new changes, Godfrey Akumali has been moved from the Business and Hustler Opportunities to the Housing and Urban Renewal department.
Tony Michale Kimani, who headed the Social Services sector, has transitioned to lead the Social Services and Estate Management sector.

Lydia Mathia, who was previously the County Chief Officer, Housing and Urban Renewal, will now serve in the Business and Hustler Opportunities docket, while Sande Oyolo, who headed the Digital Economy and Startups, has been moved to Medical Facilities.
The Digital Economy and Start Ups will now be led by Wilson Gakuya, who previously headed the Smart Nairobi sector, while Mache Waikenda has been moved from the Mobility Sector to ICT Infrastructure.
Clement Rapudo, who previously headed the City’s Culture, Arts, and Tourism Sector, has been moved to the Smart Nairobi sector.
Lastly, Zipporah Mwangi moves to the City Culture, Arts and Tourism docket from Citizen Engagement and Customer Service.
The move signals a strategic shift potentially improving accountability and responsiveness in county operations.
