John Reuwer ndi Treasurer komanso membala wa Board of Directors of World BEYOND War. Iye ndi dotolo wopuma pantchito wadzidzidzi yemwe mchitidwe wake unamutsimikizira kuti akufunika kulira m'malo mwa ziwawa kuti athetse mikangano yovuta. Izi zinamupangitsa kuti aphunzire mwachisawawa ndi kuphunzitsa za kusachita zachiwawa kwa zaka zapitazi za 35, ndi zochitika zamagulu amtendere ku Haiti, Colombia, Central America, Palestine / Israel, ndi midzi yambiri yamkati ya US. Adagwira ntchito ku South Sudan ndi Nonviolent Peaceforce, limodzi mwa mabungwe ochepa omwe akuchita zachitetezo chamtendere popanda zida. Amagwiranso ntchito mu Komiti Yothetseratu Zida za Nyukiliya ndi Madokotala for Social Responsibility kuphunzitsa anthu ndi ndale za kuopseza kwa zida za nyukiliya, zomwe akuwona kuti ndizowonetseratu misala ya nkhondo zamakono, zomwe zikuwonetsedwa momveka bwino pankhondo yomwe ilipo ku Ukraine. . John wakhala wotsogolera World BEYOND WarMaphunziro a pa intaneti "Kuthetsa Nkhondo 201" ndi "Kusiya Nkhondo Yachiwiri Yapadziko Lonse Kumbuyo."
