Melissa Leach ke Mookameli oa Institute of Development Studies (IDS) Univesithing ea Sussex. O thehile 'me a tsamaisana le ESRC STEPS (Social, Technology le Environmental Pathways to Sustainability) Center (www.steps-centre.org) ho tloha 2006 - 2014. Joaloka setsebi sa thuto ea kahisano, o ile a etella pele mananeo a mangata a fapaneng a thuto, a amanang le lipolotiki. Afrika le ho feta, ha re ntse re buisana le lipuisano tsa saense, leano le sechaba mabapi le lijo, bophelo bo botle, bong, ts'ebetso ea tikoloho le nts'etsopele.
Har'a mesebetsi ea ka ntle, e ne e le motlatsi oa molula-setulo oa Komiti ea Saense ea Bokamoso ba Lefatše 2012 - 2017, mongoli ea ka sehloohong oa Tlaleho ea 2016 World Social Science Report 2016 mabapi le ho se lekane ho thata, 'me ke setho sa Sehlopha sa Machaba sa Litsebi mabapi le Sustainable Food Systems (IPES-Food). Ke eena a Fellow ea Sekolo sa Brithani, Academy for Social Sciences, le Academia Europea hammoho le Lekhotla la Machaba la Saense.
Leqephe lena le ntlafalitsoe ka May 2024.