“…We included research articles that used diverse titles to label the positions or roles of people working with a lived experience background. Examples are “experts by experience” (Cooke et al, 2015 ; Jones & Pietilä, 2020 ), “peer providers” (Moran et al, 2012 , 2013 ; Siantz et al, 2016 , 2017 ; Zeng & Chung, 2019 ; Zeng et al, 2020 ), “peer support specialists” (Jenkins et al, 2020 ; Pantridge et al, 2016 ; Poremski et al, 2021 ), “peer support workers” (Collins et al, 2016 ; Nossek et al, 2021 ; Otte et al, 2019 ), “peer specialist” (Ahmed et al, 2015 ; Kuhn et al, 2015 ; Storm et al, 2020 ), and “peer workers” (Byrne et al, 2021b ; Gillard et al, 2015 , 2017 ; Marks et al, 2022 ; Oborn et al, 2019 ).…”