Moustafa assumed his current position in 2012. AAIM is the asset management arm of Arab African International Bank. The firm had $1.85 billion in assets under management in 2025, a 127% annual increase. In 2025, AAIM’s Afaaq fund grew by more than sevenfold in size to $329 million, becoming Egypt's largest mixed money market and fixed income fund. AAIM also launched the Gosour Equity Investment Fund, which closed almost 19 times oversubscribed in January 2026.