[1][2] He studied at the School of Fine Arts, Kraków from 1882 to 1884, with Izydor Jabłoński, Władysław Łuszczkiewicz and Walery Gadomski [pl].

In 1894, he created sculptures decorating the entrance to the Palace of the Arts (Polish: Pałac sztuki) constructed for the General National Exhibition in Lviv.

[3] He stayed in Florence, from 1895 to 1897, where he made a statue of Justitia for the lobby of the Palace of Justice in Lviv (1896), and the design of the monument of Józef Korzeniowski, which was then erected in Brody.

[4] After the death of Leonardo Marconi, Antoni Popiel continued work on the statue of Tadeusz Kosciuszko in Kraków.

In 1900, he designed sculptures for the Grand Theatre in Lviv - tympanum, stone caryatids; and statues of the Muses.