Yahoo and edwardard are the best campaign managers. They are doing this job for so many months and they are the most trusted persons in this forum. If you want your campaign to be success, you need to contact these two guys. If they are ready to do this campaign, then trust me your ICO will be a hugh success. Because everybody in this forum knows that these two guys don't work to promote scam ICOs and also their trust level is very high.
As far as i know YAHOO is not accepting bounty campaign but you are right both are great campaign manager,
Check this list if they are available:
https://bitcointalk.org/index.php?action=profile;u=135920https://bitcointalk.org/index.php?action=profile;u=710241https://bitcointalk.org/index.php?action=profile;u=1074823https://bitcointalk.org/index.php?action=profile;u=560412https://bitcointalk.org/index.php?action=profile;u=884803just send them a pm and choose which offer is the best and fits for your budget all of them is managing signature very well.