Kammala wannan jumla: Larsson ya kasance Sweden's fasaha attaché a Washington, DC, a lokacin da
Three Mile Island hatsari kuma tsohon manajan wani bangare na hukumar fasahar nukiliya ta Sweden kuma tsohon manajan muhalli da manufofin makamashi na Tarayyar Masana'antu ta Sweden. Tsakanin 1997 da 2000, ya kasance manajan sashen tsaro na reactor na EBRD, kuma daga baya ya gudanar da taimakon taimakon tsaro na nukiliya na Sweden zuwa Gabashin Turai. Yana aiki a matsayin mai ba da shawara a kamfanin "SiP Nuclear Consulting AB".