S1 Corporation has appointed Simhua Lui as general manager of its Asia Pacific Japan (APJ) operations.
Lui joins S1 from Informix, where as corporate vice president and general manager he led its expansion in the Asia region, building the Informix team and growing the application solution business.
He has been given a similar brief at S1, which numbers Oversea-Chinese Banking Corporation (OCBC), Credit Agricole Indosuez, and the major Australian banks among its customers.