Prof. Wanjohi, moahi oa Kenya ka mor'a thuto ea hae ea pele, o ile a fetela Univesithing ea Kenyatta moo a ileng a fumana B.Ed, M.Sc le Ph.D. likhato. Ka 1989, o ile a kenela lefapha la Univesithi ea Kenyatta mme o nyolohetse maemong a hajoale a moprofesa ea felletseng oa mafu a limela. Moprofesa Wanjohi hajoale ke Ag. Motlatsa-chancellor Univesithing ea Kenyatta le Motlatsi oa molula-setulo Kenya National Academy of Sciences
Prof. Wanjohi o bile ka pele-pele ho phahamiseng morero oa Saense ka mats'oao a fapaneng a boiqapelo le mesebetsing ea hae e fapaneng ea boetapele le taolo kahare le kantle ho Kenya. Menehelo ena e entse hore a ananeloe naheng ka bophara le matjhabeng; eena ke a Fellow oa Royal Society of Biology; a Fellow ea Sekolo sa Sechaba sa Saense sa Kenya; a Fulbright Senior Research Fellow; ho Fellow - Basali ba Maafrika ho Patlisiso le Ntlafatso ea Temo (AWARD) mme o ile a amoheloa e le Rasaense ea ipabolang ke Falling Walls Foundation Jeremane. Ka 2020, Mop Wanjohi e ne e le e mong oa bo-ramahlale ba basali ba 20 ba hlahang bukeng ea "Ho ntlafatsa ho nka karolo ha banana ho STEM: Inspiring Stories of African Women Scientists" e hatisitsoeng ke Forum for African Women Educationist (FAWE). O ile a khetheloa ho ba moeletsi oa bo-ramahlale ba ntseng ba hola ba tsa Temo.
Leqephe lena le ntlafalitsoe ka May 2024.