 Nyorai mberi kweiyi ndima - Schumer akatungamira Democratic Senatorial Campaign Committee kubva muna 2005 kusvika muna 2009, achitarisira kuwana 14 kweDemocratic muSeneti muna 2006uye sarudzo dza2008. Akanga ari wechitatu weDemocratic muSenate, shure kweSenate Majority Leader Harry Reid uye Majority Whip Dick Durbin. Akashanda seMutevedzeri Wachigaro weDemocratic Caucus muSeneti kubva muna 2007 kusvika 2017 uye akatungamira Seneti Democratic Policy Committee kubva muna 2011 kusvika 2017. Schumer akakunda nguva yake yechina muSeneti muna 2016 uye akazosarudzwa nemvumo yose semutungamiri weDemocratic kuti atsive Harry Reid, uyo akanga ava kuenda pamudyandigere. Muna Ndira 2021, Schumer akava Mutungamiri weVazhinji muSeneti, uye mutungamiri wekutanga wechiJuda weimwe imba yeCongress. 