Since 2021, Johanna Haniková was teaching at the Institute of Singing and Opera Directing at the Academy of Performing Arts in Prague, and since 2025 she has been teaching at Anton Bruckner Privatuniversität in Linz at Institut für Gesang und Musiktheater. With extensive experience as an accompanist for strings and brass instruments, she has performed at concerts, masterclasses, auditions, and various events. She regularly collaborates as a pianist with Purser and Ravì Conducting Academy in Vienna and London.