Sarkhou joined Kamco Invest in 2000, two years after it was established, and assumed his current role in 2014. Kamco Invest is an independent subsidiary of the KIPCO Group and had assets under management of $15.9 billion in 2024. In the same year, it was a joint lead manager and bookrunner in a $500 million senior unsecured sukuk issuance for Cenomi Centers. In 2024, Kamco Invest managed nine bond and sukuk issuances worth $4.2 billion for financial institutions and corporates in Kuwait, Saudi Arabia, the U.A.E., and Bahrain. It also acted as a joint bookrunner in the $489 million IPO of the Omani OQ Base Industries in December 2024. Sarkhou is also a board member of the Kuwait Direct Investment Promotion Authority and vice chairman of Burgan Bank and the Advanced Technology Company.