Al Sager joined NBK in 1978 and assumed his current role in 2014. NBK was established in 1952 and was the first shareholding company in Kuwait. Today it has 72 branches in Kuwait, 54 in Egypt, and 18 worldwide. It employs over 8,000 people. In 2023, the bank had $122.4 billion in total assets and made net profits of $1.9 billion. In June 2024, the bank successfully priced its first $500 million green bonds under its Global Medium Term Note program.