2. HIll & Knowlton's global CEO Paul Taaffe quits agency - 11 January
3. Call for nominations for PRWeek's 2011 Power Book - 13 January
4. James Sorene appointed as Nick Clegg's head of comms - 13 January
5. Sainsbury's appoints three PR agencies - 13 January
6. News International appoints Simon Greenberg as director of corporate affairs - 11 January.