Yassin joined the company in 2012 and was appointed CEO in January 2024. Today, United Pharmaceutical has over 450 stores in Saudi Arabia. In 2024, it reported a 40% year-on-year sales growth. In 2025, United Pharmacy signed strategic agreements with AVALON Pharma and Amarox to manufacture therapeutic products under the United brand. It also partnered with Saudia’s AlFursan Loyalty Program, enabling customers to earn one AlFursan mile for every four points earned through the United Pharmacy loyalty program “Maksab”.