[2] Since 2016, he serves as vice president of Union Bancaire Privée, and since 2021 as chairman of the Swiss Bankers Association.

[3][4] Rohner is an ally of Thomas Matter and holds a 5% stake of Helvetische Bank AG.

His mother was a member of the District Court Aarau and a representative for the Christian Democratic People's Party.

In 2001, he became Chief Operating Officer and Deputy CEO of the Private Banking Unit of UBS Switzerland.

[10][11] In 2013, Rohner was accused of "staggering ignorance" by the Banking Standards Commission over Libor rigging.