In addition to sales, he will manage marketing communications and online.
O2 says that the new division is the next phase of the transformation of the company’s structure.
It will be responsible for customer relations, both residential and corporate, and integrate all of O2’s sale channels.
Siebenstich joined O2 in 2012 as director of its brand stories and has managed all the company’s sales channels since 2013.
Meanwhile, Jiri Caudr, who was previously O2’s director of marketing communications, has left the company.
O2 operates the leading IPTV platform in the Czech Republic.