News Westergren to give keynote about how to achieve profitable business models Analysis Digital takes 61% of market - as download continues to dominate Analysis Three questions Tim Westergren is going to have to tackle News Tim Westergren takes over at helm of company Analysis Per-stream figure dropped 24% in 2015 across free and premium News Exec joins former EMI boss Roger Faxon and ex-AEG exec Tim Leiweke Analysis Ad-funded makes up just 16% of total streaming tally Analysis A seven-point survival plan for the challenged Berlin-based service