I wonder if it's the GBR Foundation ?...

I wonder if it's the GBR Foundation ?

https://www.barrierreef.org/our-partners/corporate-partners

A number of high profile company directors are on the Chairman's Panel - including John Grill, a philanthropist who, among other things, donated $20 mil to the University of Sydney to establish the John Grill Centre for Project leadership - this is where MNS director Marc Vogts is CEO

John Grill and ex Macquarie boss, Allan Moss (not Bill), together have supported a number of causes/start ups

http://sydney.edu.au/john-grill-centre/our-people/our-team.html