He will report to James Courtenay, the bank's global head of advisory and infrastructure finance, the bank said.
Over his nearly 8 year tenure at Allianz to date, Hegazy has worked in managerial positions across the region, including Finance Manager for Allianz Takaful in Bahrain and Chief Financial Officer for Allianz Saudi Fransi in Saudi Arabia.
Hamed Ali, who served as Executive Officer of Nasdaq Dubai from 2006-2008, will return to the exchange as Chief Operating Officer.
Mumtalakat, which has around US$9bn of assets under management, was set up in 2006 to help diversify Bahrain's economy away from hydrocarbons.
The organisation will be divided into DIFC Authority, the business development and legislation arm, and DIFC Properties which will manage the centre's real estate portfolio.
Ejadah, whose customers include a number of Dubai's flagship communities such as Dubai International Financial Center (DIFC), TECOM, Business Bay and Jumeirah Beach Residence (JBR), has improved its business portfolio to focus on enhancing value and
The 21-member International Advisory Board, which meets annually, also includes Mohamed El-Erian, chief executive officer of Pacific Investment Management Co., and former Citigroup Inc. Senior Vice Chairman William Rhodes.
Yasin, a veteran financial markets analyst, will lead Abu Dhabi Financial Services, NBAD's fully-owned brokerage unit, the bank said in a statement on Monday.