Katie Eder (an haife ta c. a shekara y1999/2000 ) 'yar asalin Ba'amurkiya ce kuma' yar kasuwa mai taimakon jama'a wacce ta kafa kuma ta jagoranci kamfen ɗin zamantakewar 50 Miles More, Tatsuniyoyin yara, da Hadin gwiwar nan gaba, ta ƙarshe inda a yanzu take Babban Darakta. A watan Disamba na shekara ta 2019, Eder an lasafta shi ɗayan Forbes 30 ƙarƙashin 30 a cikin Doka da Manufofin. An haifi Eder kuma ta girma a Milwaukee, Wisconsin . Katie ta kammala karatu a makarantar sakandare ta Shorewood a shekara ta 2018 kuma za ta halarci jami’ar Stanford a daminar shekara ta 2020. Ita ce ƙarama a cikin yara biyar. Lokacin da Katie take da shekaru 13, ta kafa wata ƙungiya mai zaman kanta, Kids Tatsuniyoyi, don kawo bita na , wanda yara ke koyarwa, ga yara waɗanda basu da damar yin rubutu a waje da makaranta. A yayin taron karawa juna sani na Yammacin yara, yara suna rubuta wani gajeren labari wanda aka buga shi a wani littafin tarihi, littafi na gaske. Yara dari da goma sha biyar a cikin kasashe tara sun halarci bitar yara ta yara.