Robert Witczak has been appointed new international business manager for central and eastern Europe at Radio Systems, owner of the PetSafe and SportDog brands. He will be responsible for driving sales and implementing a marketing strategy for the company's main brands across central and eastern Europe (CEE) including, Poland, the Czech Republic, Slovakia, Hungary and Romania. Robert Witczak brings over 14 years of business strategy, key account management and budget experience to the company. He has previously worked across a number of different business sectors in CEE.