Sheikh Nuh Kellerβs Reliance of the Traveller is the first Islamic legal work translated into a European language to receive certification from Al-Azhar University. He also possesses a number of ijazaat in various disciplines, most notably as an authorised sheikh of the Shadhiliyyah Sufi order. He teaches students from his zawiyah in Jordan as well as at annual gatherings all over the world. In 2022, Keller released a translation of the Qurβan entitled The Quran Beheld.