Geoffrey Mosiria, whose full name is Geoffrey Omatoke Mosiria, is a distinguished Kenyan civil servant who served as the Chief Officer of Environment for Nairobi City County.
His career is marked by a steadfast commitment to public service, particularly in the realms of environmental conservation and healthcare administration.
Mosiria’s rise to prominence can be attributed to his active involvement in addressing public complaints regarding illegal dumping, noise pollution, and general environmental degradation in Nairobi.
His social media presence, particularly on TikTok, has further amplified his work, making him a household name in the fight for a cleaner and greener Nairobi.
Before his current role, Mosiria served as the Chief Officer of Health Facilities, where he championed improved healthcare services through partnerships with both local and international organizations.
Beyond Mama Lucy Kibaki Hospital, Mosiria’s influence extends to other key health facilities in the county.
Also Read:KDF Introduces Data Science and AI Course to Boost Military Skills
He has overseen the establishment of a new Renal Unit, a Blood Bank, and a children’s playground at the same hospital, further cementing his reputation as a transformative leader.
At Pumwani Maternity Hospital, Mosiria spearheaded the installation of modern elevators and a new generator, enhancing patient mobility and service reliability.
The outspoken officer has been moved to a new docket in the latest changes made by Governor Sakaja.
Mosiria will now be in charge of Citizen Engagement and Customer Service in the changes contained in a circular dated November 18.
Geoffrey Mosiria was born in Kenya, but details regarding his exact date of birth remain undisclosed to the public.
Also Read:Politician Dies in Road Accident
In 2014, Mosiria graduated from the University of Nairobi with a Bachelor of Commerce degree.
He furthered his education by obtaining a Master’s in Business Administration with a specialization in Finance and Financial Service Management in 2022
Mosiria is married, but his wife is not publicly well-known; however, it’s clear she plays a significant role in his life. The couple has been married for over 9 years and has children together.
He often credits her for making him a respectable man and values the stability and joy that marriage has brought him
Follow our WhatsApp Channel and WhatsApp Community for instant news updates

Nairobi Governor Johson Sakaja and Geoffrey Mosiria. PHOTO/Mosiria X.