John Mueller ya sanar da murabus dinsa a matsayin shugaban gundumar Atlantic Southeast District, daga ranar 31 ga watan Disamba. Ya fara hidimarsa da gundumar a ranar 1 ga Yuli, 2013.
Mueller ya fara hidimarsa a matsayin babban zartaswa na gundumomi tare da yalwar kasuwanci, ƙungiya, da gogewar ma'aikatar, musamman a matsayin ɗan kwangilar gini / sufeto mai zaman kansa tun 1981. Shi ne fasto na Christ the Servant Church of the Brothers a gundumar Atlantic ta Kudu maso Gabas. , daga Yuni 2004-Maris 2007, da kuma daraktan yanki na Brethren Disaster Ministries sake ginawa a yankin New Orleans, La., daga Maris 2007-Mayu 2011.
An nada shi a Cocin Christ the Servant Church of the Brothers a watan Yuni 2004. Ya kammala karatunsa a Kwalejin Silver Lake da ke Manitowc, Wis., inda ya sami digiri na farko a kan harkokin kasuwanci, kuma ya sami takardar shaidar horo a kan ma'aikatar daga Makarantar Brethren Academy. don Shugabancin Ministoci.
Shi da matarsa, Maryamu, sun fara hidima a matsayin fasto-fastoci na cocin 'yan'uwa na Jacksonville (Fla.) a watan Janairu 2013, inda za su ci gaba da zama da hidima.