Dokhan has overseen more than 40 investments in MENA since last year RIYADH, Saudi Arabia--(BUSINESS WIRE)--500 Global, a leading U.S.-based venture capital firm, has promoted Amal Dokhan General Partner 500 Global MENA. Dokhan joined 500 Global one year ago as Partner, 500 Global MENA to oversee the Sanabil 500 MENA…