London, 4th July 2003 - Convergent CRM and Event Based Billing specialist, Cerillion Technologies, has appointed Suvash Biswas as Chief Technology Officer. Suvash has had a long experience in the design, implementation and operation of CRM and billing systems. Most notably, at O2 Germany and elsewhere, Suvash has been responsible for delivery of complex tier 1 CRM and Billing applications, 3G architecture, corporate level cost reduction programmes, outsourcing and off-shore software development.