[citation needed] Her career has taken her through various roles in the private sector, including as personal assistant to the marketing manager of a luxury hotel in Nairobi, and as an Assistant to the Managing Director at Kensta Group, specializing in food supply chain technologies, logistics and finance.
[citation needed] Beginning in 2018, Njoki began running social programs in the Bahati constituency, including Mrembo Care, that feeds the hungry, especially the elderly.
Another of her programs is Mrembo Educare, a scholarship and bursary fund that has benefitted at least 2,000 students in secondary schools and in post-secondary institutions.
Approximately 1,400 other students have benefitted from hands-on technical skills from Vera Beauty College, in the areas of barbering, catering, design and fashion, events management, hairdressing, pastry, electrical and plumbing.
Her closest competitor, a two-time parliamentarian in the constituency, Kimani Ngunjiri of the United Democratic Alliance political party received 26,809 votes.