Macharia Kamau, CBS, an nada shi a matsayin Babban Sakatare a Ma'aikatar Harkokin Waje a cikin Fabrairu 2018. Shi ma'aikacin diflomasiyya ne mai kwarewa. Kafin nadin dai, ya taba zama wakilin Kenya na din-din-din a Majalisar Dinkin Duniya a birnin New York tun a shekarar 2010. A matsayinsa na wakilin Kenya na din-din-din a Majalisar Dinkin Duniya, Kamau ya taka rawar gani wajen raya muradun ci gaba mai dorewa da kuma ajandar ci gaba mai dorewa ta 2030 a matsayin mataimakin shugaban kasa. da Co-Facilitator bi da bi. Ya kuma taba zama Shugaban Hukumar Gina Zaman Lafiya, Shugaban Hukumar UNICEF, Shugaban taron Jam’iyyun Jihohi kan Yarjejeniya ta ‘Yancin Nakasassu da Shugaban Majalisar Dinkin Duniya da gandun daji, da dai sauransu. Ya yi aiki na tsawon shekaru 16 a Babban Jagoranci da Gudanarwa na Kasa a UNDP da UNICEF; Shekaru 7 a matsayin Kodinetan Majalisar Dinkin Duniya kuma Wakilin UNDP (Botswana da Ruwanda); Shekaru 6 a matsayin Wakilin Asusun Yara na Majalisar Dinkin Duniya (Gabashin Caribbean da Afirka ta Kudu); Shekaru 3 a matsayin Babban Jami'in Majalisar Dinkin Duniya da Harkokin Waje, Ofishin Babban Darakta, Hedkwatar UNICEF, New York da sauransu. Kamau ya kuma taba zama manzon musamman na shugaban Majalisar Dinkin Duniya kan sauyin yanayi da Sakatare Janar na Majalisar Dinkin Duniya kan El Niño da yanayi.
An sabunta wannan shafin a watan Yuni 2024.