Nyorai kupfuurira kweiyi ndima - Hollister akashanda senhume kuRepublican National Conventions muna 1940, 1944, 1948
, uye 1952. Akatungamirira sangano reUnited Nations Relief Rehabilitation Association kuNetherlands, muna 1945, uye akashanda semutungamiriri mukuru weHoover Commission kubva muna Gumiguru 1953 kusvika muna Chikunguru 1955. Akanga ari mutungamiriri weInternational Cooperation Administration kubva muna June 15, 1955, kusvikira paakasiya basa musi waSeptember 13, 1957.