AlShammasi joined Derayah Financial in 2014 as chief investment officer and assumed his role as CEO in 2016. Founded in 2009, Derayah has grown into a tech-driven brokerage and wealth management firm and was the first capital market institution to list on the Saudi Exchange’s TASI market following its March 2025 IPO. Derayah had $6 billion in assets under management in 2025. In May 2025, Derayah relaunched its digital investment platform: Derayah Smart. Derayah is a strategic investor in D360 Bank, the first licensed digital bank in Saudi Arabia. AlShammasi previously worked with NCB Capital, now SNB Capital, and Riyad Bank.