Hillary Mutyambai - Hilary Mutyambai Age. He was born in 1964, Mwala in Machakos county. He is 55 years old. Hilary Mutyambai Height. We are still working on information regarding his height. Hillary NziMutyambai, born 1964, Mwala in Machakos county, did his undergraduate stu.s at the University of Nairobi and a post-graduate Masters of Arts in National Security Policy from the Australian National University. Hillary NziMutyambai has been sworn in as the new Inspector General of Police in a ceremony held on Monday at the Supreme Court of Kenya following his appointment by President Uhuru Kenyatta. Hillary Orinde 14th Mar 2019 12:09:58 GMT +0300 ; Inspector General of Police designate Hillary Mutyambai. Hillary Mutyambai.