+1 to aTriz I've been into his one signature campaign and by that time it he also manages some other campaigns.

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I don't know on how he's managing his time properly but he's one of the promising campaign manager here. And here are some of the managers that I can see who are good at managing campaigns too though I never been into their campaign except Izanagi.
*yahoo62278
*izanagi narukami
*Edwardard
*Lauda