Prof. Wanjohi, oo u dhalatay dalka Kenya, ka dib waxbarashadeedii hore, waxay u sii gudubtay Jaamacadda Kenyatta University oo ay ka qaadatay B.Ed, M.Sc iyo Ph.D. shahaadooyinka. Sannadkii 1989-kii, waxay ku biirtay kulliyadda jaamacadda Kenyatta waxayna ka soo kacday darajooyin ilaa hadda oo ah borofisar buuxa oo ku takhasusay cudurrada dhirta. Prof. Wanjohi hadda waa Ag. Guddoomiye ku xigeenka Jaamacadda Kenyatta iyo guddoomiye ku xigeenka Akadeemiyada Qaranka ee Sayniska ee Kenya
Prof. Wanjohi waxa ay safka hore kaga jirtay horumarinta ajendaha Sayniska iyada oo adeegsanaysa hindiseyaal cusub oo kala duwan iyo doorarkeeda maamul ee kala duwan ee gudaha iyo dibadda Kenya. Wax-qabadyadani waxay ku muteysteen aqoonsi dal iyo dibadba; iyadu waa a Fellow ee Bulshada Boqortooyada ee Bayolojiga; a Fellow ee Akadeemiyada Qaranka ee Sayniska ee Kenya; Cilmi-baaris Sare oo Fulbright ah Fellow; a Fellow -Haweenka Afrikaanka ah ee Cilmi-baarista iyo Horumarinta Beeraha (AWARD) waxaana loo aqoonsaday Saynis yahan heer sare ah oo ay bixiso Hay'adda Falling Walls Foundation ee Jarmalka. Sannadka 2020, Prof Wanjohi waxay ka mid ahayd 20-ka haween ee saynisyahano ah oo ka soo muuqday buugga "Kobcinta ka qaybgalka gabdhaha ee STEM: Sheekooyinka Dhiirigelinta ee Saynisyahanada Haweenka Afrika" oo ay daabacday Forum for African Women Educationist (FAWE). Waxaa loo magacaabay la-taliye u ah haweenka soo baxaya ee saynisyahannada Beeraha.
Boggan waxa la cusboonaysiiyay May 2024
