Al Yammahi cofounded the Abu Dhabi-based Hayat Biotech alongside CEO Hongbin Cong in 2021. The company develops technology-based, innovative pharmaceutical and manufacturing solutions. Al Yammahi oversaw the construction of Hayat Biotech Life Sciences Park, one of the most advanced facilities in the region, with a production capacity of 200 million vials annually. Al Yammahi has 15 years of experience in corporate strategy and government affairs. Before Hayat Biotech, he oversaw strategic partnerships and government relations at G42. He also previously managed the renewable project, the London Array, at Masdar, which was valued at $3.3 billion.