Whakakī i te rerenga e whai ake nei: I te tau 1950 ka noho a Geißel hei upoko o te peka Hamburg o te, i whakaoho i tētahi wāhanga Crisis Response ("Katastrophenhilfe"), i runga anō i te urupare ki te
ngā waipuke kino i roto i te Netherlands i roto i te 1953, a i whakaturia ā-ture i roto i te 1954. I te tau 1955 ka neke ia ki te tari matua o te whakahaere i Stuttgart, hei kawenga mo te waahanga Crisis Response i te motu. Whai muri i te whakakotahitanga o te minita Evangelical Inner i tautokohia e te hahi, i te tau 1957 i tohua ia hei kaiwhakahaere mo te whakahaere whakakotahi, kei Stuttgart tonu. Ko ana kawenga ko te tahua, te urupare raru me te whakahaere. I te tau 1972 i tohua ia hei perehitini tuarua mo te mea i tipu ake nei hei Diakonischen Werkes der EKD e.V. I reti ia i te tau 1982, engari i haere tonu ia ki te whakauru i roto i te kaha tohutohu.