Next week I return to No 10 / Cabinet Office - on secondment from the Institute, while remaining a Senior Fellow - to head the Behavioural Insight team and support the Government's Big Society and well-being agendas.
As the permanent secretary merry-go-round keeps spinning, it seemed a good time to dig out some statistics we put together earlier this year about the experience of the current crop of permanent secretaries.
The Spending Review is looming large over Whitehall. It is no surprise the current focus of attention is what the numbers are going to be. However, looking ahead, the bigger question will be how to implement the cuts.
Coalitions involve wholly new ways of governing. Most other European countries understand that, as do the Scots and Welsh. But the adjustment in Whitehall among both ministers and official is still not complete.