Moustafa assumed his current role in 2017. TMG Holding operates across Egypt, Saudi Arabia, Oman, and Iraq, with developments including SouthMED, Banan City, Jood, Yamal, and The Spine. Its total land bank exceeds 128 million sqm. In May 2026, TMG secured an Iraqi investment license to develop a major integrated city project in southwest Baghdad spanning 12.8 million sqm. The development is expected to generate approximately $18.8 billion in sales and will comprise 43,000 residential units for 250,000 residents. In April 2026, TMG announced its plans for The Spine, a mixed-use cognitive city east of Cairo, projected to generate $33 billion in sales with an estimated investment cost of $27 billion.