Mary Wairimu Kamau holds a Post graduate Diploma in Tropical Sericulture from India combined with a BSc in Agriculture from the University of Nairobi. She is the Chairperson of AFAAS, member of the Global Forum for Rural Advisory Services (GFRAS), member of and Vice Chairperson of Access Agriculture and member of the Kenyan Forum for Agriculture Advisory Services (KEFAAS). She is an awardee and granted the Order of the Grand Warrior of Kenya (OGW) in 2011 for the distinguished service rendered to the Nation. She retired from the Ministry of Agriculture, livestock and Fisheries in June 2016 that she joined in July 1980 as an agricultural Officer in-charge of Crop Department in Kitui district. She was appointed Director of Agricultural Extension and Training in 2007. From this position, she introduced demand driven, market oriented extension, Agribusiness, E-extension and farm. She played a critical role in drafting the National Agricultural Extension Policy (NASEP) enacted by the President in 2012 to harmonize Extension and embrace pluralism in extension Provision and the National Agriculture Research System (NARS) to harmonize agricultural research.