(Telecompaper) Eircom's CEO, Herb Hribar, has decided to not renew his contract and is stepping down as CEO. After 2 years with the Irish operator, Hribar will be returning to the US. During his time at the helm of Eircom, he led the company through a major transformation and network investment programme. Chairman Padraig McManus said that thanks to his efforts company now operates Ireland's largest fibre network and was the first to launch 4G mobile. Eircom has appointed CFO Richard Moat as acting CEO with immediate effect while it begins the selection process for a permanent CEO.