Poloniex - We have reviewed security, and have a great working relationship with the staff, and clear communication channels.
Bittrex - We have not reviewed security but understand it to be created by security professionals, we have clear communication channels in case of emergency.
Cryptsy - Have never spoken to us, and are notoriously slow to respond and prone to error. We would prefer removal from this exchange.


If he is a member of the team he has not made it known to us, I can confirm that neither main developer is Satoshi, but we have both studied his words intensively and merged his thinking with that of other thought leaders. People like Satoshi are our peers.