Al Tayer has been at the helm of the company since its founding in 1992. In H1 2025, DEWA’s revenues amounted to $4 billion, up 6.9% year-on-year and its installed generation capacity reached 17.98 GW of which 3.86 GW came from renewable energy. In the second quarter of 2025, DEWA commissioned two 132 kV substations, and 483 11kV substations. Al Tayer is also the Chairman of the ENOC Group, DUBAL Holding, Dragon Oil, Vice Chairman of Emirates Global Aluminium, and the Dubai Supreme Council of Energy.