Geoffrey Omatoke Mosiria.

Geoffrey Omatoke Mosiria, popularly known as Geoffrey Mosiria or Hon. Mosiria, is a Kenyan public administrator and politician serving as the Chief Officer for Environment, Forestry, and Solid Waste Management in Nairobi City County. He has gained national recognition for his hands-on approach to environmental management, including campaigns against illegal dumping, noise pollution, and poor sanitation. In 2026, he publicly declared his intention to vie for the Mutira Ward MCA seat in Kirinyaga County in the 2027 General Election. While he has announced his political ambitions, there is no publicly verified information confirming his affiliation with a specific political party