Alsharian became CEO of Mabanee in 2006. By 2025, Mabanee had a real estate portfolio totaling over 1.1 million square meters of mall gross leasable area, 62,883 square meters of office space, 2,694 hotel keys, and 901 residential units across its developments. In 2025, Mabanee reported $454 million in operating revenues, and $6.4 billion in total assets. Its projects include Souk Sabah, The Avenues, the Hilton Garden Inn, among others.