Solovetsky Monastery
Joasaphus took monastic vows in Solovetsky Monastery. In 1621, he became a hegumen at Pskovo-Pechorsky Monastery. In January 1627, Joasaphus was appointed archbishop of Pskov and Velikiye Luki. He is known for his protection of Pskov's trade privileges and resistance to pretensions of the German merchants, for which he would be punished by the patriarch.