Famed venture capitalists Peter Thiel (Founders Fund), Dave McClure (500 Startups) and Sam Altman (Y Combinator) spoke alongside Bill Gates and Cisco CEO John Chamber at the MiSK Global Forum in Saudi Arabia.

The forum is devoted to fostering entrepreneurship in Saudi Arabia’s youth. The event’s website notes that a large percentage of the world’s population will be under the age of 30 by the year 2020, and the event’s star-studded lineup aims to address the challenges and lay the groundwork for the next generation of business leaders.

500 Startups’ co-founder Dave McClure published photos of the event on Twitter following his speech.

Other notable speakers included Breyer Capital Founder Jim Breyer, 8VC Founder Joe Lonsdale, McGraw-Hill Education President Mark Dorman, Siemens President & CEO Joe Kaeser, among many others.

A full list of speakers and complete event details can be found at the MiSK Global Forum website.