AlShammasi joined Derayah in 2014 as chief investment officer and assumed his role as CEO in 2017. Founded in 2009, Derayah has grown into a tech-driven brokerage and wealth management firm. In February 2025, Derayah announced it was raising $400 million through an IPO on the Saudi Exchange, valuing the company at $2 billion upon listing. Derayah Financial had $3.9 billion in assets under management as of Q3 2024. AlShammasi previously worked with NCB Capital, now SNB Capital, and Riyad Bank.