Betty Maina is the Woman Representative for Murang'a County, elected in 2022. Before her parliamentary election, she served as a Director at the Athi Water Works Development Agency. She is a vocal defender of Deputy President Rigathi Gachagua and the "Mt. Kenya Unity" agenda. Maina is known for her energetic campaign style ("Betty e") and her marriage to Mathira MP Eric Wamumbi, creating a "power couple" in the region. She focuses on water projects (leveraging her past experience) and women's table banking. She has been aggressive in defending the government's agricultural reforms in the coffee and tea sectors.