Mohammad Mustafa, appointed prime minister of the Palestinian Authority (PA) on Thursday, is one of the leading Palestinian business figures who has overseen Gaza reconstruction under Hamas rule. A rare ally of PA head Mahmoud Abbas, US-educated economist Mustafa once ran the Palestinian telecoms company Paltel and more recently the PA’s public Palestine Investment Fund (PIF), with nearly $1 billion in assets funding projects across the Palestinian territories. He was tapped a decade ago to help lead reconstruction efforts in Gaza after an earlier war between Israel and Islamist militant group…