Esther Ngumbi grew up in Kwale County, a rural farming community in Kenya.[1][2] She was introduced to farming at the age of seven, when her parents gave her a strip of land to cultivate cabbages.[3] As a child she became aware of the challenges that farmers faced, including drought and bad soils.[3] The first time she left her village was to attend Kenyatta University, where she earned her Bachelor's and Master's degrees.[4][5] In 2007 she was awarded an American Association of University Women (AAUW) International Fellowship that allowed her to complete a doctoral degree in entomology at Auburn University.[1][6][7] In 2011 she became one of the first people from her community to achieve a doctorate.[1][8] After earning her PhD she remained at Auburn University as a postdoctoral scholar.[3]
She was awarded the 2017 Emerging Sustainability Leader Award and Women of Colour Award.[13][14] In 2018 Ngumbi was awarded the Society for Experimental Biology's President's Medal.[15]
Ngumbi, Esther (2009). "Comparative GC-EAD Responses of A Specialist (Microplitis croceipes) and A Generalist (Cotesia marginiventris) Parasitoid to Cotton Volatiles Induced by Two Caterpillar Species". Journal of Chemical Ecology. 35 (9): 1009–1020. Bibcode:2009JCEco..35.1009N. doi:10.1007/s10886-009-9700-y. PMID19802643. S2CID5921837.
Ngumbi, Esther (2012-12-01). "Comparison of associative learning of host-related plant volatiles in two parasitoids with different degrees of host specificity, Cotesia marginiventris and Microplitis croceipes". Chemoecology. 22 (4): 207–215. Bibcode:2012Checo..22..207N. doi:10.1007/s00049-012-0106-x. S2CID14865498.