Short answer: No.

Long answer: Trying to figure out the best way to do that. See:

https://github.com/whit537/www.gittip.com/issues/27

I would also like to see Organization support. i.e. 1 payment destination to fund the whole core team as they see fit.

I've added +2 to the ticket.

I contribute using my corporate card. That may work for you for now