RIYADH/LONDON, Oct 29 (Reuters) - Prominent leaders from

the business, technology and financial world turned out to

address a key investment conference in Saudi Arabia on Tuesday,

as the kingdom seeks to attract foreign funds to help its plans

to transition its economy from oil.

Stephane Bancel, CEO of Moderna ( MRNA ), BlackRock ( BLK ) CEO

Laurence Fink, Blackstone CEO Stephen Schwarzman

and Alphabet President and CIO Ruth Porat were among

the high-profile figures who took part in a panel debate at the

Future Investment Initiative (FII) conference in Riyadh.