I doubt the other leaders of the IHH were unaware they were sending funds to Al-Qaida.

The president of the Turkish organization behind the May 2010 Gaza flotilla is being questioned by police over the alleged transfer of funds to Al-Qaida, a Turkish newspaper reported on Friday.

The daily Haberturk wrote that IHH president Bulent Yildirim is suspected of secretly transferring the funds through the organization's system without informing other senior officials. Turkish police have appointed a special prosecutor to the case, but at this point the source of the funds - as well as the Al-Qaida branch which received them - are still unclear.

Yildirim was among the flotilla's organizers and was aboard the Mavi Marmara during the Israeli naval takeover on May 31, 2010. A violent altercation resulted in the deaths of nine Turkish citizens and injuries to many more, including ten Israel Defense Forces soldiers...
source: http://www.haaretz.com/news/middle-e...qaida-1.436801