Until December 2006, he was the Permanent Secretary, Ministry of Environment and Natural Resources, Ministry of Water and Irrigation, and former Dean of the Faculty of Social Sciences, University of Nairobi. He specialises in water resources planning and river hydraulics. Previously consulted for the World Bank, UNDP, UNICEF, UNEP, the Royal Netherlands Embassy in Nairobi, the African Centre for Technology Studies (ACTS) and co-organized with UNO/UNEP international conferences on UN Desertification Convention, UN Climate Change Convention, Basel Convention and ILEC/World Lakes Conferences. Krhoda was appointed Rapportuer for the General Assembly of UNEP in February 2006 in Dubai, The Emirates. Current work concentrates on policy dialogue, institutional reforms and conflict over access to and use of natural resources.