Ramco Systems has appointed Mr Virender Aggarwal as its Chief Executive Officer. This post was hitherto held by Mr P. R. Venketrama Raja, Vice-Chairman and Managing Director, Ramco. Mr Kamesh Ramamoorthy, Chief Operating Officer, Ramco, will report to Mr Aggarwal, according to a company official. Prior to this, Mr Aggarwal was President & APAC Region Head for a leading IT services firm based in Singapore. He had earlier worked with Satyam Computers based out of Singapore.