Tuhia he haere tonu mo tenei whitianga - I te tau 2019, ka noho a Lea hei kaitohutohu mo te āhuarangi ki a Knut Storberget, a, he karere taiohi mo Norway i te hui a UNICEF mo te Ra Tamariki o te Ao. I te Oketopa 2019, ko Lea te kaikawe āhuarangi tuatahi mo UNICEF; ko tana 15 tau te pakeke i waiho ai ia hei tuarua o nga kaikawe a UNICEF i roto i te hitori. Ko ia te rima o nga kaitohutohu o Norway me te tuatahi ki te whakatu i te tau 2007. I te Huihuinga Huringa Huarere o te United Nations 2019
(COP25), ko Lea tētahi o ngā tamariki tokorima e kōrero ana i tētahi huihuinga i whakaritea e UNICEF me te OHCHR.