His appointment comes in the wake of several senior staff resigning from TKS Securities.
"The board also reassured clients that they would continue to receive the sterling service that they are accustomed to from the company," the firm said in a statement.
"With this appointment, TKS Securities envisages continued progress along its current business direction based on its strengths in the institutional / foreign broking business as well as its retail business."
Prior to the appointment Wijesinghe was head of compliance and credit control.
http://www.lankabusinessonline.com/news/ralph-wijesinghe-heads-sri-lanka-based-tks-securities/2116778708