Bogsch will remain a member of the board.

To acknowledge Mr Bogsch's commitment and contribution to Richter, the board named him lifetime honorary chairman of the company. They also decided on the establishment of the Bogsch Erik Foundation for Original Research and a prize with the same name.

Bogsch had also served as Richter's CEO for decades before being replaced by Gábor Orbán in 2017.

Vizi is a physician, pharmacologist and former head of the Hungarian Academy of Sciences.