I guess OP categorized bounty manager list summarizing their past projects, and history in bounty section. You may recognize that Hhampuz somewhat new in bounty project while the list of other managers name quite popular in bounty section. I wish Hhampuz will be regular in bounty section as he is popular in service section.
Maybe you are right. I got to know Hhampuz many years ago, since I was active on this forum. He's the most famous and reputable campaign manager, even, he's the one who manages the most campaigns at the moment. It's easy to understand when he comes to bounty campaigns, but given his experience, I still believe he should be at the top of the list, haha.