[1][2] Gerasim Pilesh was born on 2 February 1913 in the village of Man Toktash in the Alikovsky District of the Chuvash Republic.
He worked at the Chuvash Book Publishing House and served as the director of an art gallery.
Pileš emerged in Chuvash literature as a master of short plays and children's stories.
His plays, such as "Кӑмӑл уҫӑлсан" ("Desire Birth"), "Ҫурхи кӗвӗсем" ("Spring Motives"), and "Юрату вилӗмсӗр" ("Love Is Immortal"), continue to be performed with pleasure in Chuvash theaters.
Gerasim Dmitriyevich also participated in art exhibitions and wrote sketches about Chuvash artists M. Spiridonov and N. Sverchkov.