English: Flipped Learning 
Welsh: Dysgu Gwrthdro
Subject: Addysg
Welsh definition: The idea is that students learn new content outside the classroom (usually online) and then tackle assignments in lessons, giving teachers more time to help students with aspects they don't understand.
English context: Kirsty is known nationally for her work on Flipped Learning through leading an independently evaluated EEF project and organising the first national conference on Flipped Learning with TES Global.
Welsh context: Mae Kirsty yn adnabyddus ledled y DU am ei gwaith ar Ddysgu Gwrthdro. Arweiniodd brosiect Sefydliad Gwaddol Addysgol a werthuswyd yn annibynnol, a threfnodd y gynhadledd gyntaf ar lefel y DU gyfan ar Ddysgu Gwrthdro gyda TES Global.