Liyanearachchi will be responsible for developing and executing customer strategies with Catalina's international retailer clients, including Sainsbury's in the UK and Carrefour in Europe.
During Liyanearachchi's career, he has worked in all areas of customer management strategy, including acquisition, retention and development.
He joins Catalina from his position on the main board of customer contact and data specialist LBM. Prior to LBM, Liyanearachchi held a number of positions at dunnhumby, including global business development director and client solutions director, working with large retailers to use customer insight to drive business value.
Liyanearachchi said: "Catalina Marketing's proprietary technology and tools, extensive expertise in customer communications and 20 years of experience ensures it has a unique proposition within the marketplace."