So what if they are married? Does it matter if two married people, two friends, two people sleeping together or two people that hate each other are leading a project? Many businesses are ran by a husband and wife, that doesn't change anything.
He hid something that was obvious to any third party observer. He has put his wife in charge of marketing a project that has collected a massive sum of money while she has no relevant professional experience and was claiming to have an MBA from UCLA Anderson when she apparently does not.